Helvine with Magnetite and Garnet
As recorded:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China
58mm x 39mm x 28mm
Group of very sharp tetrahedral Helvine crystals with very well defined faces and edges, a very intense luster, deep color and on matrix. The crystals, carefully analyzed, note the absence of Genthelvite, so the crystals are only Helvine. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China (2012)
Specimen size: 5.8 × 3.9 × 2.8 cm = 2.28” × 1.54” × 1.10”
Main crystal size: 1 × 1 cm = 0.39” × 0.39”
Mineral(s)
Photo added to mindat.org
“Reference: TR91Z0
Group of very sharp tetrahedral Helvine crystals with very well defined faces and edges, a very intense luster, deep color and on matrix. The crystals, carefully analyzed, note the absence of Genthelvite, so the crystals are only Helvine. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China (2012)
Specimen size: 5.8 × 3.9 × 2.8 cm = 2.28” × 1.54” × 1.10”
Main crystal size: 1 × 1 cm = 0.39” × 0.39””
Jordi Fabre - 17th March 2022
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