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Minimum Order
Localité:
-
Prix de commande minimale:
-
Commande minimale:
25 Metric Ton
Packaging Detail:
Requested by buyer
Delivery Time:
Within 12 days
Supplying Ability:
3500 Metric Ton per Month
Payment Type:
T/T, L/C
Cameroon
Personne àcontacter Karim
Douala, Littoral
1.Name:
Sphalerite
2.Basic Information:
Chemical composition is ZnS, the crystals of the cubic system administered sulfide minerals.
Sphalerite containing zinc *7.1% .
1) Hardness:
3.9 to 4.2 g/cm3
2) Cleavage: parallel tetrahedron.
3) Fracture: fracture surface is not flat
4) Color: as the iron content of different directly affect the
color of sphalerite; Iron was increased, the change from shallow to
deep, from weak yellow, brown, brown to black (marmatite)
5) Streaks: because of the different iron content directly affect
the color streaks of sphalerite; Iron was increased, from shallow
to deep, from white to brown.
6) Transparency: transparent to translucent.
7) Sheen: from adamantine luster to the semi metallic luster.
8) Luminance: friction fluorescence and phosphorescence.
9) Other: some sphalerite will have friction luminance,
non-conductive.
