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

Collectible minerals - full range in stock "Millerite"

Millerite is a relatively rare mineral, usually of hydrothermal origin. Usually forms acicular crystals with coarse longitudinal striation. It can also form hairy crystals that are somewhat elastic. Conducts electricity well. Included in nickel ores.

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

Physical properties of Millerite

Category Sulfide mineral
(repeating unit)
IMA symbol Mlr
Strunz classification 2.CC.20
Crystal system Trigonal
Crystal class Ditrigonal pyramidal (3m)
(same H-M symbol)
Space group R3m
Unit cell a = 9.607 Å, c = 3.143 Å; Z = 9
Colour Pale brass-yellow to bronze-yellow, tarnishes to iridescence
Crystal habit Typically acicular (needle-like) often in radial sprays - also massive
Cleavage Perfect on {1011} and {0112} - obscured by typical form
Fracture Uneven
Tenacity Brittle; capillary crystals elastic
Mohs scale hardness 3 - 3.5
Luster Metallic
Streak Greenish black
Diaphaneity Opaque
Specific gravity 5.3 - 5.5
Other characteristics brittle and becomes magnetic on heating
Code: 2429
Saranovskoe deposit, Perm region, Ural, RF

0.00 $ $49.80

Code: 982
Saranovskoye field, Perm region, midl Urals, RF

0.00 $ $98.33

Code: 2428
Saranovskoe deposit, Perm region, Ural, RF

0.00 $ $99.67

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