Fluorescent Chalcanthite with Antlerite, Brochantite-MDO2 and Shungite(1) - Dongchaun, China/荧光胆矾
An unusual find in Dec 2021, hard to say to be beautiful but strange enough indeed. As chalcanthite is a simple copper sulfate mineral,...
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Fluorescent Minerals from China
Scheelite, with calcite and fluorite, from Hunan, China
Nice little specimen from the Chashan Mine, Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou, Hunan, China. Interestingly, the...
Scheelite and Muscovite, Mt Xuebaoding, Sichuan, China
Large, brightly fluorescent, pseudo-octahedral scheelite crystal on a matrix of non-fluorescent muscovite plates. From Mt Xuebaoding,...
Plumbogummite, Pyromorphite - Yangshuo Mine, Guilin, Guangxi, China
Delicate casts of light blue triangular plumbogummite crystals growing over/after decayed hexagonal green pyromorphite crystals, a few of...
Fluorite - De'an Fluorite Mine, Jiujiang, China
Purple octahedral fluorite crystals in matrix with a second generation of colorless cubic fluorite atop. The octahedral crystals...
Valentinite from Lengshuijiang Sb deposit, China
A seldom seen fluorescent mineral - Kuangshan Town, Lengshuijiang City, Loudi City, Hunan Prov. - under longwave. Photo courtesy 沈洪涛
Calcite Crystals on Fluorite - Mongolia
Had a great time at Tucson and found lots of new material. This was one of my favorite finds - Calcite crystals on fluorite crystals -...
Gibbsite - Wenshan, Yunnan Prov., China
Gibbsite is a relatively rare aluminum hydroxide. It is composed of two different color phases: a rich blue and a lighter sky blue with...
Fluorite and Calcite, Weishan Mine, Jining, Shandong, China
Fluorite and calcite combinations from China are pretty common. This one however, just seems different. Perhaps it's that the calcite...
Hexagonal Columnar Calcite - Black Scalenohedron Color Zoning
White hexagonal columnar calcite with black scalenohedron color zoning. It is a two generation growth calcite where the inner black...