Olenite

Refractive Index : 1.654 – 1.635

Optical Characteristic : DR, Uniaxial negative

Specific Gravity : 3.01

Formula : NaAI3AI6(BO3)3(Si6O18)(O,OH)4

Crystal System : Trigonal

Variety/Species : Tourmaline

Species/Group : Tourmaline

Birefringence : 0.019

Dispersion : 0.017

Hardness : 7 to 7.5

Toughness : Fair

Ultrasonic : risky

Steam : risky

UV Long : Inert

UV Short : Inert

Pleochroism : 2 colors

Strength : moderate to strong

Pleochroism Colors : pinkish yellow/ bright pink

Heat : May fracture or change color

Acids : No reaction

Light : stable

Polish Luster : vitreous to greasy

Fracture : conchoidal

Fracture Luster : Vitreous

Clarity Type : N/A

Tones : N/A

Saturations : N/A

Cause of Color :

Enhancements : none

Cleavage : None

Color Range : light pink, pink, pinkish

Transparency : translucent to opaque

Phenomena : None

Separations : Olenite from-

Identifying Characteristics and information
Thread-like liquid and gas inclusions, gas filled fractures.

Olenite is a very rare stone and not often seen as a gem.

Spectral Data
not diagnostic.

Trade Names and Misnomers
Olenite

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