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  2. Collectible minerals
  3. Millerite

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

General
Category Sulfide mineral
Formula
(repeating unit)		 NiS
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
Identification
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
Millerite
Code: 2429
Millerite
Saranovskoe deposit, Perm region, Ural, RF
30*15*9mm

0.00 $ $49.80

Millerite
Code: 982
Millerite
Saranovskoye field, Perm region, midl Urals, RF
57*45*30mm

0.00 $ $98.33

Millerite, Cr-Clinochlore archived
Code: 2428
Millerite, Cr-Clinochlore
Saranovskoe deposit, Perm region, Ural, RF
38*26*23mm

0.00 $ $99.67

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