Quartz Crystal with Fascinating Gas Inclusions - NBB 133

Very gemmy quartz crystal with fascinating gas inclusions and analcime + prehnite crystals




Measurements:  42 x 16 x 14 mm

Description:  A very gemmy clear quartz crystal with a faint amethysts colouring, fascinating gas inclusions and a few small analcime and prehnite crystals on two of its faces.

This stunning crystal has no notable damage.

Weight of Specimen:  15.0 g

Chemical Composition:  SiO2  (quartz)
                                        NaAl(Si2O6)•(H2O)  (analcime)   

                                        Ca2Al2Si3O10(OH)2  (prehnite) 

Hardness on Mohs Scale:   (quartz)  7
                                            (analcime)
  5

                                            (prehnite)
  6-6.5

Location:  Brandberg, Namibia.

Specimen Code:  NBB 133

US $ 65





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