Geology
@geologytime.bsky.social
Unlocking science of #Minerals, #Crystals, #fossils, gems, and geology.
Reposted by Geology
December 3, 2025 at 1:00 AM
Velvet Azurite balls on Malachite, Morenci Mine, Greenlee County, Arizona
Photo: TeriyakiMinerals
Photo: TeriyakiMinerals
December 9, 2025 at 12:46 AM
Velvet Azurite balls on Malachite, Morenci Mine, Greenlee County, Arizona
Photo: TeriyakiMinerals
Photo: TeriyakiMinerals
Eagle carvings in Quartz by
l_aquart and his amazing team in Lima, Peru
Credit: l_aquart/IG
l_aquart and his amazing team in Lima, Peru
Credit: l_aquart/IG
December 4, 2025 at 10:34 PM
Eagle carvings in Quartz by
l_aquart and his amazing team in Lima, Peru
Credit: l_aquart/IG
l_aquart and his amazing team in Lima, Peru
Credit: l_aquart/IG
December 3, 2025 at 1:00 AM
Amethyst flower from India.
Credit: Min_minerals
Credit: Min_minerals
November 28, 2025 at 1:33 AM
Amethyst flower from India.
Credit: Min_minerals
Credit: Min_minerals
Alligator quartz is a distinctive textural variety of quartz defined by its reptile-skin surface composed of tightly packed, blocky, stepped micro-crystals. It is not a separate mineral species—only SiO₂
www.geologyin.com/2025/11/alli...
www.geologyin.com/2025/11/alli...
Alligator Quartz – Geology In
Alligator quartz is a distinctive textural variety of quartz defined by its reptile-skin surface composed of tightly packed, blocky, steppe...
www.geologyin.com
November 28, 2025 at 1:32 AM
Alligator quartz is a distinctive textural variety of quartz defined by its reptile-skin surface composed of tightly packed, blocky, stepped micro-crystals. It is not a separate mineral species—only SiO₂
www.geologyin.com/2025/11/alli...
www.geologyin.com/2025/11/alli...
Reposted by Geology
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
Photo: CarlesMillan Cc
#minerals
October 6, 2025 at 6:11 PM
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
Photo: CarlesMillan Cc
#minerals
A very interesting chalcedony with malachite ring inclusions From Congo, Africa
Credit: zouweiling
邹维玲
Credit: zouweiling
邹维玲
November 24, 2025 at 2:03 AM
A very interesting chalcedony with malachite ring inclusions From Congo, Africa
Credit: zouweiling
邹维玲
Credit: zouweiling
邹维玲
Opals come in various types, each with its own unique characteristics. Opal is a hydrated amorphous form of silica SiO₂·nH₂O; its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, www.geologyin.com/2016/06/type...
Types of Opal With Photos – Geology In
Opals come in various types, each with its own unique characteristics. Opal is a hydrated amorphous form of silica SiO₂·nH₂O ; its water c...
www.geologyin.com
November 19, 2025 at 2:57 AM
Opals come in various types, each with its own unique characteristics. Opal is a hydrated amorphous form of silica SiO₂·nH₂O; its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, www.geologyin.com/2016/06/type...
Chalcopyrite with Calcite from Sweetwater mine, Missouri ✨
What do you Think??
Video: Pacific Minerals
What do you Think??
Video: Pacific Minerals
November 17, 2025 at 2:27 PM
Chalcopyrite with Calcite from Sweetwater mine, Missouri ✨
What do you Think??
Video: Pacific Minerals
What do you Think??
Video: Pacific Minerals
Peridot naturally double terminated crystal
From mansehra Pakistan
Photo: Star_minerals_collection
From mansehra Pakistan
Photo: Star_minerals_collection
November 5, 2025 at 3:49 PM
Peridot naturally double terminated crystal
From mansehra Pakistan
Photo: Star_minerals_collection
From mansehra Pakistan
Photo: Star_minerals_collection
Reposted by Geology
Gobi Agate is a distinctive rare variety of botryoidal chalcedony, characterized by its globular and often colorful formations.
www.geologyin.com/2024/06/gobi...
www.geologyin.com/2024/06/gobi...
Gobi Agate: Unique Gemstone of the Desert – Geology In
Gobi Agate is a distinctive rare variety of botryoidal chalcedony, characterized by its globular and often colorful formations. What is Gob...
www.geologyin.com
October 9, 2025 at 8:16 PM
Gobi Agate is a distinctive rare variety of botryoidal chalcedony, characterized by its globular and often colorful formations.
www.geologyin.com/2024/06/gobi...
www.geologyin.com/2024/06/gobi...
Reposted by Geology
Iris Agate: Rainbow agate
Iris Agate is a unique type of sliced Agate that exhibits a rainbow effect when held up to the sun or a light
from Jakarta, Indonesia
Photo: Mondszcrystal.id
#gems
Iris Agate is a unique type of sliced Agate that exhibits a rainbow effect when held up to the sun or a light
from Jakarta, Indonesia
Photo: Mondszcrystal.id
#gems
October 10, 2025 at 5:38 PM
Iris Agate: Rainbow agate
Iris Agate is a unique type of sliced Agate that exhibits a rainbow effect when held up to the sun or a light
from Jakarta, Indonesia
Photo: Mondszcrystal.id
#gems
Iris Agate is a unique type of sliced Agate that exhibits a rainbow effect when held up to the sun or a light
from Jakarta, Indonesia
Photo: Mondszcrystal.id
#gems
Reposted by Geology
Shungite is a rare, carbon-rich mineraloid rock found primarily in the Karelia region of northwestern Russia, One of shungite’s most distinctive features is its content of fullerenes—hollow, spherical molecules made entirely of carbon (notably C₆₀ and C₇₀).
www.geologyin.com/2025/10/what...
www.geologyin.com/2025/10/what...
What is Shungite – Geology In
Shungite is a rare, carbon-rich mineraloid rock found primarily in the Karelia region of northwestern Russia, near the village of Shunga, ...
www.geologyin.com
October 18, 2025 at 7:33 PM
Shungite is a rare, carbon-rich mineraloid rock found primarily in the Karelia region of northwestern Russia, One of shungite’s most distinctive features is its content of fullerenes—hollow, spherical molecules made entirely of carbon (notably C₆₀ and C₇₀).
www.geologyin.com/2025/10/what...
www.geologyin.com/2025/10/what...