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Strontianite
Strontianite

Brucite
Brucite



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Strontianite
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Brucite

Strontianite and Brucite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Pearly

Pleochroism

-
-

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

Transparent
TransparentMichael O’Donoghue

Refractive Index

1.517-1.6671.56-1.60
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.010-0.020
0 0.296
👆🏻

Clarity

Transparent
TransparentMichael O’Donoghue

Strontianite and Brucite Optic Character

Strontianite and Brucite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Strontianite and Brucite Physical Properties 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 Strontianite and Brucite 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.

Strontianite and Brucite Transparency

Similar to their colors, Strontianite and Brucite 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, Strontianite is Transparent while Strontianite is Transparent in appearance.