×

Erythrite
Erythrite
☒

Howlite
Howlite
☒



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X
Erythrite
X
Howlite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Subadamantine, Pearly
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
0.03
-
1.626-1.629
-
monoclinic
-9999
-
 
Vitreous
-
0.01
-
1.583-1.608
-
monoclinic
0.019
-

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Howlite Vs Jacinth

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