Phantom Quartz Crystals on Matrix – SNCO 048

Measurements:  57 x 40 x 35 mm

Description:  A group of quartz crystals comprising of several small and numerous minute crystals, all with striking red, brown and black phantoms caused by hematite. Even the minutest crystals have these lovely phantoms.

The bigger crystals are undamaged, and two crystals have broken off. The matrix is feldspar, and the bottom of the specimen has a few small bits of a pale green (unknown to us) mineral, and some mica.

Weight of Specimen:  45.3 g

Chemical Composition:  SiO₂  (quartz) 
                                       KAlSi₃O₈ (feldspar)                         

Hardness on Mohs Scale:  (quartz)  7                                                                                            (feldspar) 6 - 6.5                             

Location:  Riemvasmaak, Orange River Area, Northern Cape, South Africa.

Specimen Code:  SNCO 048

US $ 75