Geology (@geologytime.bsky.social)
Lustrous calcite from Xianghualing, China, features a pure white, snow-like coating that perfectly outlines and embraces the fluorite within. Video: Super_mineral_ #minerals #crystals
Unlocking science of #Minerals, #Crystals, #fossils, gems, and geology.
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Lustrous calcite from Xianghualing, China, features a pure white, snow-like coating that perfectly outlines and embraces the fluorite within. Video: Super_mineral_ #minerals #crystals
Geology (@geologytime.bsky.social)
Natural Rhodochrosite crystals from N'Chwaning Mine, Northern Cape Province, South Africa Photo: © 1stDibs.com #minerals #crystals #gems
Geology (@geologytime.bsky.social)
Shiny Inter-grown pyrite cubes from Navajún, Spain Photo: DallasStoneworks #minerals #pyrite
Geology (@geologytime.bsky.social)
Before & after Plume Agate From Trenggalek, Indonesia. Photo ©️ @nusantara_lapidary #agate #gems
Geology (@geologytime.bsky.social)
The "Boot of Cortez" gold nugget was found in 1989 in northern Mexico, just 70 miles south of the border with Arizona. It was discovered by an amateur prospector with a metal detector. Weighing in at 389.4 troy ounces (approximately 12.14 kilograms or 26.77 pounds) www.geologyin.com/2024/12/larg...
Geology (@geologytime.bsky.social)
Fine lustrous quartz flower cluster, sourced from the Jinkou River in Sichuan video: lucky_mineral_ #crystals #quartz
Geology (@geologytime.bsky.social)
The rarest gemstones in the worldAmong these are Painite, once the rarest mineral, from Myanmar; Musgravite, a bluish-green gem from Australia; Taaffeite, with fewer than 50 known specimens; and Red Beryl, found only in Utah. www.geologyin.com/2024/08/rare...
Geology (@geologytime.bsky.social)
Natural Blue Aquamarine Crystal with Apatite & Muscovite, from Skardu Pakistan Photo: Nmn Mineral Finds #minerals #crystals
Geology (@geologytime.bsky.social)
Natural Peridot Crystal with Ludwigite Inclusions - Rare Specimen from Supat Mine, Pakistan Photo: Nmn Mineral Finds #gems #crystals
Geology (@geologytime.bsky.social)
Striking blue azurite and green malachite copper ores, often found together in a single specimen. Video: Godlegocrystal #minerals
Geology (@geologytime.bsky.social)
Huge amethyst geode from Artigas, Uruguay Photo: Sage Crystals #crystals #gems #geode
Geology (@geologytime.bsky.social)
Fine Multicolor tourmaline crystals and lepidolite specimens from the Aricanga Mine, Morro da Cruzeiro, Minas Gerais, Brazil. Photo: furuta_mineral_collection #gems #crystals
Geology (@geologytime.bsky.social)
From the star-like glow of asterism and the shifting hues of color change and tenebrescence, to the shimmering chatoyancy and glowing fluorescence, each effect is rooted in crystal structure, light behavior, and mineral inclusions. #gems www.geologyin.com/2024/06/gems...
Geology (@geologytime.bsky.social)
Colombian golden Lemurian quartz crystal. Video: huali6437 Hua Li #crystals #gems #quartz
Geology (@geologytime.bsky.social)
Amethyst geode specimen with a calcite crystal and hematite . Locality: Artigas, Uruguay Video: Virgo Gems #gems #crystals
Geology (@geologytime.bsky.social)
The third largest diamond of 2025, a 2.3-carat stone, was discovered at Arkansas’s Crater of Diamonds State Park. Micherre Fox of New York, achieved a dream years in the making at Crater of Diamonds State Park, the world’s only public diamond-bearing site. www.geologyin.com/2025/08/ny-w...
Geology (@geologytime.bsky.social)
Natural star Rhodolite Garnet cabochon. Forbidden candy 🍬😍 Photo: amirkhan32255 #gems #crystals
Geology (@geologytime.bsky.social)
Striking malachite spheres on a red quartz cluster matrix. from the Congo. Video: XUE_mineralcollector #gems #crystals
Geology (@geologytime.bsky.social)
Large amethyst crystal clusters and single specimens Video: God_Lego_crystal #crystals #gems #amethyst
Geology (@geologytime.bsky.social)
Fine Aquamarine crystal on matrix with Muscovite, terminated. Sourced from Pakistan. Photo: © Quality Afghan Gems #minerals #crystals
Geology (@geologytime.bsky.social)
Exquisite top-grade etched peridot clusters with matrix. from the Sofat Valley, Gilgit-Baltistan, Pakistan. Photo: minrox_minerals_and_gems #gems #crystals
Geology (@geologytime.bsky.social)
Stunning deep golden calcite crystals on dark basalt. A new discovery from Đắk Nông Province, Vietnam. Vid: c.k.fine_minerals Chad Kaatz #crystals #gems
Geology (@geologytime.bsky.social)
FADEN QUARTZ: A lustrous, elongated clear crystal on matrix. Sourced from Baluchistan, Pakistan. Video: Collectors Choice #minerals #crystals
Geology (@geologytime.bsky.social)
Naturally iridescent hematite specimen from Graves Mountain, Georgia. Photo: natalis_gems Anatoly Bitny-Shlahto #minerals #gems
Geology (@geologytime.bsky.social)
Outstanding crystallized native gold specimen from the Serra do Caldeirao claims, Mato Grosso, Brazil. Photo: Weinrich Minerals, Inc #gold #crystals #gems
Geology (@geologytime.bsky.social)
Stunning kunzite spodumene crystal—etched, terminated, and glowing with a soft pink hue. A masterpiece of nature’s artistry Photo: Collectors Choice #minerals #crystals
Geology (@geologytime.bsky.social)
Large Indian Himalayan quartz crystal—naturally formed, pristine clarity. Video: huali6437 Hua Li #minerals #quartz
Geology (@geologytime.bsky.social)
Pyrite crystals with sharp geometric forms intergrown with clear quartz clusters Video: Pitman_natural_mineral #minerals #crystals
Geology (@geologytime.bsky.social)
Premium Peridot from Pakistan: flawless, fully lustrous, and vivid green. Photo: AuGemsMinerals Aslam umar #minerals #crystals
Geology (@geologytime.bsky.social)
Rare mimetite specimen from San Pedro Corralitos locality Video: Virgo Gems #minerals #gems
Geology (@geologytime.bsky.social)
Gem-grade rough emerald crystals with rich green color and natural hexagonal terminations from Swat Valley, Pakistan. Photo by: Emerald Galaxy #gems #emerald
Geology (@geologytime.bsky.social)
Stunning amethyst scepter quartz crystal from Mexico Video: Min_minerals #minerals #amethyst
Geology (@geologytime.bsky.social)
Vivid green fluorite cubes with purple zoning from Pocket 42, Diana Maria Mine, Rogerley, Weardale, County Durham, England. Photo: Minerainminerals #minerals #crystals #gems
Geology (@geologytime.bsky.social)
Natural red Garnet crystals with black Tourmaline on feldspar. from Skardu Mine, Pakistan. Photo: Mineralsgems099 Afridi Khan #crystals #gems
Geology (@geologytime.bsky.social)
Marra Mamba Tiger's Eye: a rare variety sourced exclusively from the Hamersley Ranges, Western Australia. Photo ©️ Australian Outback Mining #gems #crystals
Geology (@geologytime.bsky.social)
Natural double-terminated Peridot crystal from Mansehra, Pakistan. Photo: Star_minerals_collection #minerals #crystals #gems
Geology (@geologytime.bsky.social)
Rare chocolate opal specimen from Ethiopia. Video: Uamineral #opal #gems
Geology (@geologytime.bsky.social)
Shattuckite with ajoite and chrysocolla—a striking mineral combination from Mexico. Photo: Xue_mineralcollector #minerals #crystals
Geology (@geologytime.bsky.social)
Hyalite opal on chalcedony from San Luis Potosí, Mexico. Photo: Theeclecticcollects Emily Nydell #minerals #crystals
Geology (@geologytime.bsky.social)
Crater of Diamonds State Park, Arkansas: The World’s Only Public Diamond Mine Where You Can Be the Miner This 911-acre park is the only diamond-producing site in the world open to the public, where anyone can search for real diamonds and keep what they find. #gems www.geologyin.com/2016/08/the-...
Geology (@geologytime.bsky.social) reposted
Grossular garnet specimen from Canada Photo: Henk Smeets/Tomeik Minerals. #crystals
Geology (@geologytime.bsky.social) reposted
Discover a rare opalized shell, showcasing stunning colors. Remarkable for surviving the often harsh mining process. Video: Berglund Opal #opal #fossils
Geology (@geologytime.bsky.social) reposted
Opalized fossils are rare and visually stunning remnants of ancient life, formed when silica-rich water replaces the organic remains of once-living organisms with opal— www.geologyin.com/2017/03/how-...
Geology (@geologytime.bsky.social) reposted
Polychrome liddicoatite tourmaline crystal from Camp Robin, Madagascar Photo: jewelmelon_ #minerals #crystals
Geology (@geologytime.bsky.social)
Pretty Koroit Boulder Opal with a steady mix of blue color tones. Photo ©️ Natural Opals and Gems
Geology (@geologytime.bsky.social)
Gold-in-quartz from the McLaughlin Mine, California, USA 🪙 Photo: gemaofgb Gem-A #gold #crystals #gems
Geology (@geologytime.bsky.social)
#minerals #crystals
Geology (@geologytime.bsky.social)
Cuprite, known for its deep red color and cubic crystals New Cornelia Mine, Arizona, USA Photo: rhodochrosite0 Y. Ikeuchi
Geology (@geologytime.bsky.social)
Dumortierite quartz is blue colored quartz containing abundant dumortierite inclusions. Dumortierite quartz is a variety of crystalline quartz (SiO₂) that contains significant inclusions of the mineral dumortierite—a borosilicate mineral with the general formula www.geologyin.com/2020/05/dumo...
Geology (@geologytime.bsky.social)
This exceptional specimen has striking Dumortierite inclusions ball suspended within a pristine quartz crystal, Brazil [Polished] Video: Magical.crystal.wholesaler #crystals #minerals
Geology (@geologytime.bsky.social)
Green heart matched with rose fluorite something exquisite Video: Crystalhousegallery #crystals #minerals
Geology (@geologytime.bsky.social)
A fully transparent morganite crystal rests on cleavelandite from the Dara-e-Pech District, Kunar, Afghanistan Video: @fineartminerals Ghulam Mustafa #minerals #crystals
Geology (@geologytime.bsky.social)
Polychrome liddicoatite tourmaline crystal from Camp Robin, Madagascar Photo: jewelmelon_ #minerals #crystals
Geology (@geologytime.bsky.social)
The Enigma Diamond is a rare natural black diamond, or carbonado, weighing exactly 555.55 carats and cut with 55 facets #diamonds #gems www.geologyin.com/2025/08/enig...
Geology (@geologytime.bsky.social)
Red Vanadinite specimen with incredibly lustrous crystals From Midelt, Mibladen, Morocco ✨ Video: Pacific Minerals #minerals #gems
Geology (@geologytime.bsky.social)
Opalized fossils are rare and visually stunning remnants of ancient life, formed when silica-rich water replaces the organic remains of once-living organisms with opal— www.geologyin.com/2017/03/how-...
Geology (@geologytime.bsky.social)
Discover a rare opalized shell, showcasing stunning colors. Remarkable for surviving the often harsh mining process. Video: Berglund Opal #opal #fossils
Geology (@geologytime.bsky.social)
Pristine spessartine garnet with quartz and muscovite—flawless crystals, brilliant luster, and textbook-perfect morphology from all angles. Video: Durrani Fine Minerals #crystals #gems
Geology (@geologytime.bsky.social)
Grossular garnet specimen from Canada Photo: Henk Smeets/Tomeik Minerals. #crystals
Geology (@geologytime.bsky.social)
Zhejiang Fluorite: A stunning display of blue, purple, and green hues. Photo: Yunle_minerals_crystal #crystals
Geology (@geologytime.bsky.social)
Yes, Mount Everest was once underwater—but not as the towering peak we see today. The rocks at its summit were formed on the bottom of a shallow sea, hundreds of millions of years ago, long before the Himalayas existed. www.geologyin.com/2025/07/was-...
Geology (@geologytime.bsky.social)
Malachite stalactite with partial percolation from Midingi, D.R. Congo Photo: Gillesemringer 𝗚𝗶𝗹𝗹𝗲𝘀 𝗘𝗺𝗿𝗶𝗻𝗴𝗲𝗿 𒊹︎ 𝗠𝘂𝗹𝘁𝗶𝗮𝘅𝗲𝘀 #minerals #crystals
Geology (@geologytime.bsky.social)
Colorful Tourmaline crystals Photo: minerals512 " 𝑭𝑨𝑹𝑯𝑨𝑵 - 𝑴𝑨𝑳𝑰𝑲 "
Geology (@geologytime.bsky.social)
Colorful Tourmaline crystals Photo: minerals512 " 𝑭𝑨𝑹𝑯𝑨𝑵 - 𝑴𝑨𝑳𝑰𝑲 "
Geology (@geologytime.bsky.social)
Double Terminated Natural Etched Kunzite Crystal With Complex Terminations From Kunar Afghanistan. Viseo: hamza_minerals_collection Hamza Munir #crystals
Geology (@geologytime.bsky.social)
Phantom in Quartz – A striking, translucent quartz piece with intricate natural formations. Photo: _nora.crystals Nora Eve #minerals #crystals
Geology (@geologytime.bsky.social)
Gorgeous pink rose quartz sphere with sooo strong star flash✨🩷🤤,It's hard to find more perfect ones of this size. Photo ©️ Crystalloverlala #CRYSTALS
Geology (@geologytime.bsky.social)
Super Saturated Blue Azurite Geode Pairs ✨ From Mikheyevskoe Mine, Chelyabinsk Oblast, Russia Video: Pacific Minerals #crystals #geode
Geology (@geologytime.bsky.social)
Queensland Boulder Opal A rare opalized wood specimen with vibrant play-of-color, Photo: opals_by_miki #gems #fossils
Geology (@geologytime.bsky.social) reposted
Lepidodendron stumps at Glasgow's Fossil Grove - 325MY fossilized trees standing where they grew near the Paleozoic equator PIC: John Devlin., now managed by Fossil Grove Trust. (Credit: John Devlin)
Geology (@geologytime.bsky.social)
Iris agate is a captivating variety of agate that displays an iridescent rainbow of colors when cut into thin slices and viewed with transmitted light. This mesmerizing effect is caused by www.geologyin.com/2023/12/iris...
Geology (@geologytime.bsky.social)
This Incredibly Rare Iris Agate Slice is from Indonesia, (aka Rainbow Agate). Photo ©️ @simplyaffinity
Geology (@geologytime.bsky.social)
Bicolour tourmaline crystal combine with quartz very beautiful piece Photo by: Farooq khan
Geology (@geologytime.bsky.social)
Transparent Gypsum crystals From Guizhou, China. Photo ©️ Super_mineral #crystals
Geology (@geologytime.bsky.social)
Vibrant tourmaline embedded in clear quartz crystals. – Himalaya Mine, California Collection: @shizu_0102 Photo by: Furuta mineralcollector #crystals
Geology (@geologytime.bsky.social)
Mandarin Garnet – Natural vs. Cut A rare and vibrant specimen. Which do you prefer: the raw crystal's natural form or its faceted brilliance? Video: Jochen Leën #gems
Geology (@geologytime.bsky.social)
Vibrant iridescent pyrite alongside quartz crystals. Video: naturalstone951 #crystals
Geology (@geologytime.bsky.social)
Lustrous, well-terminated vanadinite crystals on barite. A vibrant and eye-catching Video: The_collector_choice #crystals #gems
Geology (@geologytime.bsky.social)
Vanadinite on Goethite – Taouz, Morocco Exceptional specimen featuring sharp, lustrous vanadinite crystals with vibrant color contrast atop goethite. Vid: @fineartminerals Ghulam Mustafa #crystals
Geology (@geologytime.bsky.social)
Superb Anhui phantom fluorite from Fujian, China Vid: Diaoying11
Geology (@geologytime.bsky.social)
Absolutely Gorgeous Calcite on Amethyst Geode From Uruguay. Photo ©️ Nowar Minerals Inc.
Geology (@geologytime.bsky.social)
Gorgeous needle quartz with calcite from Hubei China. Vid: Million_years_crystal
Geology (@geologytime.bsky.social)
A stunning combination of Aquamarine with Quartz and Feldspar from the majestic Shigar Valley, Skardu District, Pakistan. This rare specimen showcases incredible luster, striking color contrast, and exceptional aesthetics. Vid:Durrani Fine Minerals
Geology (@geologytime.bsky.social)
Lepidodendron stumps at Glasgow's Fossil Grove - 325MY fossilized trees standing where they grew near the Paleozoic equator PIC: John Devlin., now managed by Fossil Grove Trust. (Credit: John Devlin)
Geology (@geologytime.bsky.social)
Presenting this incredible Aquamarine on matrix from Shigar valley , Skardu , Pakistan . Video:Durrani Fine Minerals
Geology (@geologytime.bsky.social)
Cobalto calcite from Morocco. Video: Abdou_mineral #minerals #crystals
Geology (@geologytime.bsky.social)
Azurite crystals from Tsumeb Mine, Namibia Photo: Weinrich Minerals, Inc
Geology (@geologytime.bsky.social)
Dipyramidal pinkred Ruby crystals on white Marble matrix. Jegdalek Ruby Mine, Sorobi Distrikt, Kabul Provinz, Afghanistan Photo by Laszlo Kupi The Wildfang Collection of Fine Minerals
Geology (@geologytime.bsky.social)
Chocolate Opal (Shewa Opal) from Yita ridge, Mezezo Occurrence, North Shewa Zone, Amhara Region, Ethiopia Video: shewatrading_plc Henok Tesfaye 🍫 #opal
Geology (@geologytime.bsky.social)
Aquamarine on Feldspar and Quartz from Nyth, Shigar Valley, Pakistan. Photo: Osama_durranii
Geology (@geologytime.bsky.social)
A rare green variety of petrified wood has been documented in a small, now-exhausted deposit of the Upper Triassic Chinle Formation near Winslow, Navajo County, Arizona. www.geologyin.com/2025/07/gree...
Geology (@geologytime.bsky.social)
Rare plume tiger agate from Java, Indonesia Photo: jacky lapidary
Geology (@geologytime.bsky.social)
Rich green color, sharp terminations, and excellent luster. Peridot from Supat Valley, Kohistan, Pakistan Video: @fineartminerals Ghulam Mustafa
Geology (@geologytime.bsky.social) reposted
Green Chorite Quartz From India 🇮🇳 Video:kskskkz_minerals
Geology (@geologytime.bsky.social) reposted
Amazing aquamarine cluster combine with Muscovite very beautiful piece Photo: farooq khan
Geology (@geologytime.bsky.social)
Amazing aquamarine cluster combine with Muscovite very beautiful piece Photo: farooq khan
Geology (@geologytime.bsky.social)
Green Chorite Quartz From India 🇮🇳 Video:kskskkz_minerals