Male and Female Siamese Twin Crystal Group – NBB 139
|
|
Measurements: 44 x 18 x 14 mm Description: A siamese twin crystal group, consisting of male and female crystals. The male crystal (with the sharp termination) has a small moving bubble in the main termination face. The crystals have very faint patches of smoky colouring and lovely gas inclusions. The terminations have a few very small to small nicks while there is some damage to the bottom section, where it parted from its matrix. Weight of Specimen: 21.9 g Chemical Composition: SiO2 Hardness on Mohs Scale: 7 Location: Brandberg, Namibia Specimen Code: NBB 139 US $ 55
. . . . . .
|
