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

Stone sphere balls - full range in stock "Diopside"

Diopside is a mineral from the pyroxene group. Forms an isomorphic series with hedenbergite, being its extreme member. Characteristic of skarns. It has a magmatic or contact-metamorphic nature. It has varieties:

     Anthochroite - light pink,
     Baikalite - dark or bluish green,
     Lavrovit - bright green,
     Violan - purple or blue,
     Chrome diopside - transparent emerald green.

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

Physical properties of Diopside

Category Inosilicate mineral
(repeating unit)
IMA symbol Di
Strunz classification 9.DA.15
Crystal system Monoclinic
Crystal class Prismatic (2/m)
(same H-M symbol)
Space group C2/c
Unit cell a = 9.746 Å, b = 8.899 Å
c = 5.251 Å; β = 105.79°; Z = 4
Color Commonly light to dark green; may be blue, brown, colorless, white to snow white, grey, pale violet
Crystal habit Short prismatic crystals common, may be granular, columnar, massive
Twinning Simple and multiple twins common on {100} and {001}
Cleavage Distinct/good on {110}
Fracture Irregular/uneven, conchoidal
Tenacity Brittle
Mohs scale hardness 5.5 - 6.5
Luster Vitreous to dull
Streak white
Specific gravity 3.278
Optical properties Biaxial (+)
Refractive index nα= 1.663 - 1.699, nβ= 1.671 - 1.705, nγ= 1.693 - 1.728
Birefringence δ = 0.030
2V angle Measured: 58° to 63°
Dispersion Weak to distinct, r>v
Melting point 1391 °C
Code: 748
Kovdor, Murmansk region, Kola Peninsula, RF

0.00 $ $90.00

Code: 1655
Kovdor, Murmansk region, Kola Peninsula, RF

0.00 $ $240.00

Code: 817
Iron mine, Kovdor, Kola Peninsula, RF

0.00 $ $226.67

Code: 1253
Khakassia, RF

0.00 $ $183.33

Code: 3585
Inagli. Yakutia, RF

0.00 $ $293.33

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