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  3. Tremolite

Stone sphere balls - full range in stock "Tremolite"

Tremolite is a mineral of the amphibole group from metasomatic and metamorphic rocks. It has a number of varieties, including tremolite-asbestos and jade.

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

Physical properties of Tremolite

General
Category Inosilicates
Formula
(repeating unit)		 Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2
IMA symbol Tr
Strunz classification 9.DE.10
Crystal system Monoclinic
Crystal class Prismatic (2/m)
(same H-M symbol)
Space group C2/m (no. 12)
Unit cell a = 9.84 Å, b = 18.02 Å
c = 5.27 Å; β = 104.95°; Z = 2
Identification
Color White, gray, lavender to pink, light green, light yellow
Crystal habit Elongated prismatic, or flattened crystals; also as fibrous, granular or columnar aggregates
Twinning Simple or multiple, common parallel to {100}; rarely parallel to {001}
Cleavage Perfect on {110} at 56° and 124°; partings on {010} and {100}
Tenacity Brittle
Mohs scale hardness 5 – 6
Luster Vitreous and silky
Streak White
Diaphaneity Transparent to translucent
Specific gravity 2.99 – 3.03
Optical properties Biaxial (-)
Refractive index nα = 1.599 - 1.612 nβ = 1.613 - 1.626 nγ = 1.625 - 1.637
Birefringence δ = 0.026
2V angle Measured: 86° to 88°
Ultraviolet fluorescence Short UV=yellow, Long UV=range pink
Diopside, Tremolite, Phlogopite (sphere)
Code: 1655
Diopside, Tremolite, Phlogopite (sphere)
Kovdor, Murmansk region, Kola Peninsula, RF
74mm

0.00 $ $240.00

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