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  3. Sphalerite

Sphalerite mineral - You can buy these samples

Sphalerite (zinc blende) is a relatively common mineral. As a rule, it contains significant iron impurities, which affect the properties of sphalerite. It has several varieties, including translucent.

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

Physical properties of Sphalerite

General
Category Sulfide mineral
Formula
(repeating unit)		 (Zn,Fe)S
IMA symbol Sp
Strunz classification 2.CB.05a
Dana classification 02.08.02.01
Crystal system Cubic
Crystal class Hextetrahedral (43m)
H-M symbol: (4 3m)
Space group F43m (No. 216)
Unit cell a = 5.406 Å; Z = 4
Structure
Jmol (3D) Interactive image
Identification
Color Light to dark brown, red-brown, yellow, red, green, light blue, black and colourless.
Crystal habit Euhedral crystals – occurs as well-formed crystals showing good external form. Granular – generally occurs as anhedral to subhedral crystals in matrix.
Twinning Simple contact twins or complex lamellar forms, twin axis 
Cleavage perfect dodecahedral on 
Fracture Uneven to conchoidal
Mohs scale hardness 3.5–4
Luster Adamantine, resinous, greasy
Streak brownish white, pale yellow
Diaphaneity Transparent to translucent, opaque when iron-rich
Specific gravity 3.9–4.2
Optical properties Isotropic
Refractive index nα = 2.369
Other characteristics non-radioactive, non-magnetic, fluorescent and triboluminescent.

Sphalerite (Marmatite)
Code: 3721
Sphalerite (Marmatite)
2-d Soviet mine, Dalnegorsk, Primorye, RF
58*41*43mm

0.00 $ $63.33

Ankerite, Sphalerite
Code: 1174
Ankerite, Sphalerite
Murzinskoye (Au) field, Altai, RF
51*41*30mm

0.00 $ $29.00

Quartz, Galena, Sphalerite
Code: 717
Quartz, Galena, Sphalerite
Nikolaevsky mine, Dalnegorsk, Primorye, RF
74*48*42mm

0.00 $ $80.00

Chalcopyrite, Sphalerite, Quartz archived
Code: 4099
Chalcopyrite, Sphalerite, Quartz
2nd Soviet mine, Dalnegorsk, Primorye, RF
59*42*38mm

0.00 $ $16.00

Chalcopyrite, Galena, Sphalerite archived
Code: 4100
Chalcopyrite, Galena, Sphalerite
2nd Soviet mine, Dalnegorsk, Primorye, RF
63*52*27mm

0.00 $ $40.00

Sphalerite (Marmatite) archived
Code: 3615
Sphalerite (Marmatite)
2-d Soviet mine, Dalnegorsk, Primorye, RF
64*52*41mm

0.00 $ $43.33

Chalcopyrite, Sphalerite archived
Code: 3073
Chalcopyrite, Sphalerite
Dalnegorsk, Primorsky Krai, RF
59*46*32mm

0.00 $ $270.00

Galena, Calcite, Sphalerite (UV) archived
Code: 2765
Galena, Calcite, Sphalerite (UV)
Dalnegorsk, Primorye, RF
69*48*24mm

0.00 $ $25.00

Barite, Sphalerite archived
Code: 2271
Barite, Sphalerite
Jalankol deposit, Karachay-Cherkessia, North Caucasus, RF
28*22*22mm

0.00 $ $31.67

Fluorite, Sphalerite, Barite archived
Code: 336
Fluorite, Sphalerite, Barite
Belorechenskoye field, Adygea, Caucasus, RF
70*38*33mm

0.00 $ $20.00

Sphalerite archived
Code: 2294
Sphalerite
2-d Soviet mine, Dalnegorsk, Primorye, RF
70*48*32mm

0.00 $ $25.00

Sphalerite (Marmatite) archived
Code: 500
Sphalerite (Marmatite)
2-d Soviet mine, Dalnegorsk, Primorye, RF
48*38*35mm

0.00 $ $28.00

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