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Property Description Formula NaAlSi2O6 or Na2O·Al2O3·4SiO2 Class Silicates. Hardness 6.5 - 7 Density 3.25

The mineral hardness scale or Mohs mineralogical scale is compiled from reference samples according to degree

Distinguishing gold from fake gold at home is not as difficult as it might seem at first.

4.4 Average rating: 4.4 Total ratings received: 61. 4.4 Average rating: 4.4 Total ratings received

Which: Semi-precious; Place of Birth: -; Colors: Black, green, white, blue or red.; Mohs hardness:

Jewelry chains made of precious metals are a sign of wealth. Bismarck weave is one of the most appropriate

Rings are the favorite jewelry of many women. In addition to their decorative function, rings carry magic.

Online stores are full of offers for the sale of sterling silver jewelry. Product photos

The most powerful stone in magic is a talisman. It will protect the owner from negative influences,

Sooner or later, the time comes when darkened and tarnished gold jewelry ceases to please