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Stolzite
Stolzite

Glaucophane
Glaucophane



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Stolzite
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Glaucophane

Optical Properties

Luster

Resinous, Subadamantine
Vitreous, Pearly

Pleochroism

-
Strong

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.180-2.1901.606-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.090-9999
0 0.296
👆🏻

Clarity

-
-