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Brucite
Brucite

Pyromorphite
Pyromorphite



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Brucite
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Pyromorphite

Brucite and Pyromorphite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.03
TransparentMichael O’Donoghue
1.56-1.60
-
Trigonal
0.010-0.020
TransparentMichael O’Donoghue
 
Resinous, Subadamantine
Weak
0.03
Transparent
2.042-2.059
-
Hexagonal
0.010
Transparent

Brucite and Pyromorphite Optic Character

Brucite and Pyromorphite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Brucite Vs Pyromorphite like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Brucite and Pyromorphite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Brucite and Pyromorphite Transparency

Similar to their colors, Brucite and Pyromorphite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Brucite is while Brucite is in appearance.