
Physical Features:
Chemical | (Zn,Fe)S |
Color | Brown, yellow, red, green, black. |
Crystal Habit | Tetrahedral, Dodecahedral |
Crystal System | Isometric |
Cleavage | Perfect |
Fracture | Uneven, Conchoidal |
Hardness | 3.5 - 4 Mohs scale |
Luster | Adamantine,Greasy |
Streak | Yellow to light brown |
Transparency | Transparent, Translucent, Opaque |
Specific gravity | 3.95 - 4.10 |
Refractive index | 2.368 - 2.371 |
Birefringence | None |
Chatoyancy | Yes |
Sphalerite is generally red, brown, green or blackcolored, high dispersion, and well-formed gemstone. Since Zinc being its chiefore, Sphalerite is therefore also known as Blende or Zinc-Blende. However,different miners call it by various names such as Blackjack, Steel jack,rosin or ruby jack. It is basically a Zinc Sulphide Mineral. Though primarilycomposed of zinc but it also contains a little variable of iron as well.Sphalerite is found in sedimentary, metamorphic and igneous rocks acrossdifferent parts of the world. This stone is generally transparent with avitreous luster and sometimes translucent but opaque when the iron content ishigh in it. The chemical composition of Sphalerite is (ZnFe)S. It hasdispersion ranging 0.156(B-G interval) which is three times more than that of adiamond when cut brilliantly. It is soft and fragile and has also become andfashion element to carry. This stone comes with a number of impressiveproperties also.
Use and purpose:
Reducebeing fatigue in one and lessens the nervous exhaustion.
Thisstone tends to ground and energizes one during the period when other stonesworsen the condition with high dizziness.
Itassists in stimulating ones creativity and overall personality over time.
Ithelps in facing challenges by grounding the good vibes.
Ithelps in differentiating between and at the same comparing among the real andthe virtual.
Helpfulin meditation practice
Sphaleriteenhances visual abilities of the person by strengthening the nervous system.
Itopens the gateway to opportunities, thereby providing numerous job scopes.
Ithelps travelers who travel in higher realms to prevent from witnessing unusual things.
Itis also used for industrial purposes for a better outcome.
Sphalerites should be washed with a soft brush, mild detergent,and warm water. It is soft and is generally worn as a gemstone in an uncutversion. They release electrical charge (current) when heated.