Quartz (variety prase)

Quartz (variety prase)
Quartz (variety prase) Quartz (variety prase) Quartz (variety prase)

Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region, China

minID: NP3-368
136mm x 114mm x 62mm
Very well defined spear-shaped crystals that are dipyramidal, with absent prismatic faces. They are bright with an intense green color due to inclusions, probably Actinolite and/or Hedenbergite. On the sample there is Quartz with a very different shape, probably a first growth phase, a coating or a substitution of Calcite crystals which have disappeared. The Quartz has formed parallel polycrystalline growths with flattened, almost laminar forms filling and following the empty spaces left by the earlier Calcite.
USD 791.65 *
Data last checked on 23rd Apr 2017
From: Fabre Minerals
Ref: EA72AE6

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