Sphalerite kolmio, harvinainen värisävy
| sphalerite | |||||||||
| YKSILÖ | |||||||||
| Paino : | 0,7ct | ||||||||
| Mitat : | 5,5 x 5,5 x 4mm | ||||||||
| Väri : | oranssi | ||||||||
| Puhtaus : | SI1 | ||||||||
| Luokitus : | AA | ||||||||
| Muoto : | kolmio | ||||||||
| Hionta : | viiste hiottu | ||||||||
| Numero : | 250001 | ||||||||
| Ominaista : | oranssi väri, | ||||||||
| Erikoista : | tässä kivessä tyypilliset luonnolliset sulkeumat antavat kauniin loisteen eri oranssin sävyjä | ||||||||
| KLIKKAA KUVAA, NIIN NÄKYY TARKEMPANA ! | |||||||||
| Common as an important ore of zinc, gem quality sphalerite is a rare collector stone. The mineral is usually nearly black in color but is occaisionally found in transparent pieces of an orange or yellowish brown hue. Clean pieces are extremely rare. |
| Known Facts | |
| Color Key: | Orange, yellow, brown, green |
| Refractive Index:: | 2.37 |
| Chemical Composition: | ZnS |
| Hardness: | 3.5-4 |
| Density: | 4.05 |
| Crystal Group: | Cubic |
| Ocurrence: | Spain, Mexico |
| With a dispersion three times higher than diamond, gem sphalerite is one of the brightest and most dispersive of all minerals. It has a hardness of 3.5 - 4 as well as 6 directions of perfect cleavage. Spahlerite is very difficult to polish and is too soft to be used in jewelry. | |
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