Borcarite, Cahnite

Specimen ID: UTF-0X3

Mineral(s)
Borcarite : Ca4Mg(B4O6(OH)6)(CO3)2
Cahnite : Ca2[B(OH)4](AsO4)
Locality
As recorded:
Shijiangshan mine, Hexigten Banner, Chifeng City, Inner Mongolia, China
Mindat locality:
Dimensions
30mm x 16mm x 11mm
Events

Photo added to mindat.org

Very aerial floater group of sharp Borcarite crystals, a very rare borate-carbonate. The crystals show well defined shapes, are translucent, with a uniform green color, and are partially covered by small, sharp white crystals of Cahnite, another very rare arsenate. Exceptional! The specimen has been reviewed, photographed and published in the Russian magazine ‘Mineral Observer’ on page 86 in the volume 26/2021, number 1 Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China. Found in: 2011. Reference: EA16AM1
Jordi Fabre - 7th November 2023

Photo added to mindat.org

Very aerial floater group of sharp Borcarite crystals, a very rare borate-carbonate. The crystals show well defined shapes, are translucent, with a uniform green color, and are partially covered by small, sharp white crystals of Cahnite, another very rare arsenate. Exceptional! The specimen has been reviewed, photographed and published in the Russian magazine ‘Mineral Observer’ on page 86 in the volume 26/2021, number 1 Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China. Found in: 2011 Specimen size: 3 × 1.6 × 1.1 cm = 1.18” × 0.63” × 0.43” Reference: EA16AM1
Jordi Fabre - 7th November 2023
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