Geology
@geologytime.bsky.social
1.6K followers 0 following 460 posts
Unlocking science of #Minerals, #Crystals, #fossils, gems, and geology.
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geologytime.bsky.social
MOST unusual, sharply color-zoned slice of amethyst from a bizarre stalactitic growth. This was found in India

Photo: Rob Lavinsky Cc

#minerals #crystals
geologytime.bsky.social
Natural green Dioptase & Calcite, This stunning combo from the Tsumeb Mine in Namibia

Photo: Didier Descouens Cc

#minerals #crystals
geologytime.bsky.social
Natural Amethyst cluster from Las Vigas, Veracruz, Mexico.

On display at the Natural History Museum of Los Angeles County, Los Angeles, California.

Photo: Eric Polk Cc

#crystals #amethyst
geologytime.bsky.social
Native copper showing a cluster of intergrown herringbone crystals and small spinel twins. From San Agustín Mine, Corocoro, Pacajes Province, La Paz Department, Bolivia.

Photo: CarlesMillan Cc

#minerals
geologytime.bsky.social
Welo opals are prized for their vivid play-of-color, displaying flashes of red, green, orange, yellow, and blue. Their combination of brilliance, availability, and relative affordability compared to Australian opals
www.geologyin.com/2025/10/what...
What is Welo Opal – Geology In
Welo opal (also spelled Wollo opal) is a type of precious opal mined in Ethiopia’s Wollo Province, near the town of Wegel Tena. Although sm...
www.geologyin.com
geologytime.bsky.social
Lustrous Pyrite on Quartz
Where 'fool's gold' actually means 'I'm rich in natural beauty

Photo by: Naturalstone951

#crystals #gold
geologytime.bsky.social
Grape agate just sitting there looking deliciously purple and edible... anyone else having to resist the urge to take a bite?

Photo: zamstone_id
Moch Zamzam
#gems #crystals
geologytime.bsky.social
Feast your eyes on this topaz crystal from Shigar Valley, Pakistan! It’s like a dazzling gem with tons of sparkly faces, Nature’s totally flexing here.

What’s the sparkliest crystal you’ve ever seen?

Video: mfm.08/IG
Hafeez Ullah Khan
#CRYSTALS #GEMS
Reposted by Geology
geologytime.bsky.social
Natural green Apophyllite crystals on Stilbite 💫
From Jalgoan, Maharashtra, India

Video: lostgemz
Creighton Beery

#crystals
Reposted by Geology
geologytime.bsky.social
Extremely Gemmy Quartz from Himalayas 😍
Next level clarity..Mined at a very high altitude.
Kulu Valley, Himachal Pradesh 💚

What do you think?

Video: Pacific Minerals

#crystals #gems
geologytime.bsky.social
Three Whale Rock (Hin Sam Wan)

The site is named for its three massive, whale-shaped sandstone boulders that rest side-by-side on a high cliff, resembling a family of whales—father, mother, and calf—emerging from a “sea” of forest.
www.geologyin.com/2025/09/thre...
Three Whale Rock (Hin Sam Wan) – Geology In
Three Whale Rock ( Hin Sam Wan ) is a spectacular sandstone formation in Phu Singh Forest Park, Bueng Kan Province, northeastern Thailand. ...
www.geologyin.com
geologytime.bsky.social
Natural green Apophyllite crystals on Stilbite 💫
From Jalgoan, Maharashtra, India

Video: lostgemz
Creighton Beery

#crystals
Reposted by Geology
geologytime.bsky.social
Check out this natural jade (var. jadeite) from the Ruhr Museum’s Zollverein Coal Mine display in China!

Photo: Benutzer:Ra'ike Cc

#gems #jade
geologytime.bsky.social
Extremely Gemmy Quartz from Himalayas 😍
Next level clarity..Mined at a very high altitude.
Kulu Valley, Himachal Pradesh 💚

What do you think?

Video: Pacific Minerals

#crystals #gems
geologytime.bsky.social
Check out this natural jade (var. jadeite) from the Ruhr Museum’s Zollverein Coal Mine display in China!

Photo: Benutzer:Ra'ike Cc

#gems #jade
geologytime.bsky.social
Rare Neon Blue-Green Crystal Paraiba Color Tourmaline from Afghanistan.

Photo ©️ Jamal Minerals Seller

#crystals
geologytime.bsky.social
Quartz is among Earth’s most abundant minerals, found in almost every rock type and in many forms—from large crystals in geodes, to glittering druzy coatings, to fine grains in sandstone. Because its appearance varies widely,: “How can I tell if a rock is quartz?”
www.geologyin.com/2025/09/how-...
How to Identify Quartz – Geology In
Learning how to identify quartz is one of the most practical skills in geology and rock collecting. Quartz is among Earth’s most abundant m...
www.geologyin.com
geologytime.bsky.social
This water-clear gypsum var. selenite crystal is from the Naica Mine in Chihuahua, Mexico, famous for the Cave of Crystals, discovered in 2000, featuring some of Earth's largest natural crystals.

Video: Min_minerals
#crystals
geologytime.bsky.social
Natural Aquamarine Crystal From Shigar Valley Northern Area of Pakistan
What does this crystal look like to you?

Photo: Shaheen_gems_minerals

#beryl #crystals
geologytime.bsky.social
Green Tourmaline crystals on Quartz from Paproke mine Afghanistan.

Photo ©️ Aesthetic Minerals

#minerals #crystals
Reposted by Geology
geologytime.bsky.social
Ever seen fluorite from Zhejiang, China? It’s like a dreamy glass jewel, shimmering with purple and green vibes! 💜 What’s the coolest crystal you’ve stumbled across?

Video: super_mineral_
#crystals #gems
Reposted by Geology
geologytime.bsky.social
Check out these thomsonite balls from Madhya Pradesh, India! They’re like tiny, vibrant orange puffballs, bursting with delicate, hair-like mesolite strands growing on top. Pure nature’s artwork! 😲 Have you ever found a rock that looks this wild?

[Video: ©Pacific Minerals]

#minerals #crystals
geologytime.bsky.social
Perfect fluorite crystal found in the Yaogangxian Mine in Hunan, China

Photo: hu_jingliang/IG

#crystals
geologytime.bsky.social
This specimen from the Natural History Museum of Los Angeles County. Tri-color elbaite (tourmaline) crystals on quartz, from Himalaya Mine, San Diego Co., California, US

Photo : 📷 Pegmatite_Obsession

#crystals #minerals
geologytime.bsky.social
Beautiful Large Welo Opal from Ethiopia.

Photo ©️ BrilliantMinerals

#opal #gems