×

Cordierite
Cordierite
☒

Colemanite
Colemanite
☒



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X
Cordierite
X
Colemanite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Greasy, Vitreous
X = pale yellow
0.01
-
-9999
-
Orthorhombic
-9999
-
 
Vitreous
-
0.02
Transparent
1.584-1.615
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
0.028-0.030
Transparent

Compare Blue Gemstones

Blue Gemstones

Rosasite
Rosasite
Scorodite
Scorodite
Sulfur
Sulfur
Colemanite
Hauyne
Colemanite Vs Hauyne
Colemanite
Kainite
Colemanite Vs Kainite
Colemanite
Lawsonite
Colemanite Vs Lawsonite

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