Name ZIRCON
Variety ZIRCON
Origin Ratnapura (Sri Lanka)
Hardness 7,5
Composition ZrSiO4
Crystaline sys. TETRAGONAL
Size   5x2x2 cm
Weight 73,7 g




Description:
Zircon is a very spread-out mineral as almost microscopic crystals or nodules, specially in volcanic rocks, granites, etc. These crystals are very important in geological research. For example, its radio-active degradation due to the frequent presence of small quantities of uranium, allow researchers to date, with extraordinary precision, the age of the rocks that surround them. It is also a gem much appreciated in Asia due to the variety and beauty of its colours.


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ZIRCON



VARIETY ZIRCON