Smoky Cathedral Quartz with Mica – NAM 030

Measurements:  270 x 160 x 130 mm

Description:  A big specimen consisting of smoky cathedral quartz crystals with a partial coating of white quartz growth, sitting on a quartz matrix, with mica on the opposite side.

The crystals have a few nicks and damage to the edges.

Weight of Specimen:  Appr. 4 kg

Chemical Composition:  SiO₂  (quartz)
                                        KAl₂(Si₃Al)O₁₀(OH_,F)₂ (muscovite / mica)

Hardness on Mohs Scale:  (quartz)  7
                                           (muscovite / mica)  2-2.5

Location:  Neu Schwaben, Erongo region, Namibia.

Specimen Code:  NAM 030

R SOLD