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 black
colored, high dispersion, and well-formed gemstone. Since Zinc being its chief
ore, 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 primarily
composed of zinc but it also contains a little variable of iron as well.
Sphalerite is found in sedimentary, metamorphic and igneous rocks across
different parts of the world. This stone is generally transparent with a
vitreous luster and sometimes translucent but opaque when the iron content is
high in it. The chemical composition of Sphalerite is (ZnFe)S. It has
dispersion ranging 0.156(B-G interval) which is three times more than that of a
diamond when cut brilliantly. It is soft and fragile and has also become and
fashion element to carry. This stone comes with a number of impressive
properties also.
Use and purpose:
Reduce
being fatigue in one and lessens the nervous exhaustion.
This
stone tends to ground and energizes one during the period when other stones
worsen the condition with high dizziness.
It
assists in stimulating ones creativity and overall personality over time.
It
helps in facing challenges by grounding the good vibes.
It
helps in differentiating between and at the same comparing among the real and
the virtual.
Helpful
in meditation practice
Sphalerite
enhances visual abilities of the person by strengthening the nervous system.
It
opens the gateway to opportunities, thereby providing numerous job scopes.
It
helps travelers who travel in higher realms to prevent from witnessing unusual things.
It
is 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 uncut
version. They release electrical charge (current) when heated.