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  3. Malachite

Collectible minerals - full range in stock "Malachite"

Malachite is a copper mineral of surface oxidation zones of hydrothermal deposits. It occurs mainly in the form of sinter masses of a zonal structure, which gives it a decorative appearance. But it also occurs as pseudostalactites, spherulites and acicular crystals. Once upon a time there were large reserves of malachite in the Urals, but they have all been depleted a long time ago. Currently, the largest reserves of malachite are in Africa. Compared to Russian malachite, African malachite is darker. Malachite is quite common, but it rarely forms large masses.

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

Physical properties of Malachite

General
Category Carbonate mineral
Formula
(repeating unit)		 Cu2CO3(OH)2
IMA symbol Mlc
Strunz classification 5.BA.10
Crystal system Monoclinic
Crystal class Prismatic (2/m)
(same H-M symbol)
Space group P21/a
Identification
Formula mass 221.1 g/mol
Color Bright green, dark green, blackish green, with crystals deeper shades of green, even very dark to nearly black commonly banded in masses; green to yellowish green in transmitted light
Crystal habit Massive, botryoidal, stalactitic, crystals are acicular to tabular prismatic
Twinning Common as contact or penetration twins on {100} and {201}. Polysynthetic twinning also present.
Cleavage Perfect on {201} fair on {010}
Fracture Subconchoidal to uneven
Mohs scale hardness 3.5–4
Luster Adamantine to vitreous; silky if fibrous; dull to earthy if massive
Streak light green
Diaphaneity Translucent to opaque
Specific gravity 3.6–4
Optical properties Biaxial (–)
Refractive index nα = 1.655 nβ = 1.875 nγ = 1.909
Birefringence δ = 0.254
Malachite
Code: 4194
Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
26*18*17mm

0.00 $ $10.00

Chrysocolla, Malachite
Code: 3036
Chrysocolla, Malachite
Novotemirsky mine of the Bronze Age. Southern Urals, RF
51*39*31mm

0.00 $ $11.67

Malachite
Code: 3037
Malachite
Novotemirsky mine of the Bronze Age. Southern Urals, RF
55*32*14mm

0.00 $ $6.67

Azurite (spherulite)
Code: 2465
Azurite (spherulite)
Karaganda region, Kazakhstan
40*39*30mm

0.00 $ $39.00

Azurite (crystals), Malachite
Code: 1305
Azurite (crystals), Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
78*77*41mm

0.00 $ $395.00

Azurite, malachite
Code: 117
Azurite, malachite
Rubtsovsky mine, Altai, Southern Siberia, RF
44*39*28mm

0.00 $ $63.33

Azurite, malachite
Code: 2092
Azurite, malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
48*34*37mm

0.00 $ $50.00

Azurite, malachite
Code: 1339
Azurite, malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
79*65*47mm

0.00 $ $160.00

Azurite, malachite
Code: 1340
Azurite, malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
97*61*49mm

0.00 $ $145.00

Azurite, malachite
Code: 740
Azurite, malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
67*62*27mm

0.00 $ $163.33

Azurite, malachite
Code: 668
Azurite, malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
16*10*8сm

0.00 $ $265.00

Gibbsite, Azurite, Malachite
Code: 1079
Gibbsite, Azurite, Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
60*48*31mm

0.00 $ $63.33

Malachite
Code: 261
Malachite
Novotemirsky mine of the Bronze Age. Southern Urals, RF
52*42*29mm

0.00 $ $8.33

Malachite
Code: 1297
Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
49*31*30mm

0.00 $ $72.00

Malachite
Code: 1303
Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
64*42*39mm

0.00 $ $130.00

Malachite
Code: 1304
Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
46*43*27mm

0.00 $ $93.33

Malachite
Code: 645
Malachite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
62*51*30mm

0.00 $ $40.00

Malachite needle
Code: 594
Malachite needle
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
43*23*18mm

0.00 $ $21.67

Malachite pleated
Code: 925
Malachite pleated
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
42*33*28mm

0.00 $ $50.00

Malachite, Azurite
Code: 741
Malachite, Azurite
Kamenushinsky deposit, Kemerovo region, Southern Siberia, RF
47*32*27mm

0.00 $ $21.67

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