×

Tortoiseshell
Tortoiseshell
☒

Rosasite
Rosasite
☒



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X
Tortoiseshell
X
Rosasite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
-
1.540-1.560
-
-
-9999
OpaqueUlrich Henn and Claudio C. Milisenda
 
Silky, Vitreous
Strong: X = pale emerald green or colourless; Y = dark emerald green or pale blue; Z = dark emerald green or pale blue
0.03
-
1.672-1.688
-
monoclinic
0.139-0.143
-

Compare Blue Gemstones

Blue Gemstones

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Yttrium Aluminium Garnet
Fancy Diamond
Fancy Diamond
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Garnet Malaia
Rosasite
Violane
Rosasite Vs Violane
Rosasite
Vivianite
Rosasite Vs Vivianite
Rosasite
Wardite
Rosasite Vs Wardite

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