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Diameter, mm (1mm - 0,039inch)

Collectible minerals - full range in stock "Enstatite"

Enstatite is a common mineral of the pyroxene group. Not used in industry.

You can see enstatite stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Enstatite

Category Inosilicate
(repeating unit)
IMA symbol En
Strunz classification 9.DA.05
Crystal system Orthorhombic
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space group Pbca
Unit cell a = 18.23, b = 8.84
c = 5.19 [Å]; Z = 8
Formula mass 100.387 g·mol−1
Color White, grey, green, yellow or brown - colorless in thin section.
Crystal habit Prismatic crystals, commonly lamellar, fibrous, or massive
Twinning Simple and lamellar on [100]
Cleavage Good/distinct on [210]
Fracture Uneven
Tenacity Brittle
Mohs scale hardness 5 to 6
Luster Vitreous, pearly on cleavage
Streak Gray
Diaphaneity Translucent to opaque
Specific gravity 3.2–3.3
Optical properties Biaxial (+)
Refractive index nα = 1.650–1.668; nβ = 1.652–1.673; nγ = 1.659–1.679
Birefringence δ = 0.009–0.011
Pleochroism Pale green to pale orange
2V angle 55–90°

Code: 1408
Rai-iz massif, Polar Urals, RF

0.00 $ $43.64

Code: 1409
Rai-iz massif, Polar Urals, RF

0.00 $ $27.27

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