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Sphalerite briljantti, harvinainen värisävy

24,50 €
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kpl
  • Tuotekuvaus
  • Tekniset tiedot
sphalerite


















YKSILÖ

















Paino : 
0,4ct






Mitat : 
4 x 4 x 3mm





Väri : 
oranssi






Puhtaus : VS






Luokitus :AA






Muoto :
pyöreä






Hionta :
viiste hiottu





Numero : 250010






Ominaista : oranssi väri, 





Erikoista :tässä jalokivessä harvinaisempi värisävy










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.



  • Malli: 250010
  • EAN-koodi: 250010