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Alvite

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SKY639979

Alvite

Rare Mineral

Description Tabs

Description
Locality: 
Tangen Feldspar Mine, Kragerø, Vestfold og Telemark, Norway
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1 × 0.8 cm
Description

Brown isolated crystal group of alvite , a variety of zircon rich in Hafnium (Hf).

Hafnium is one of the rarest chemical elements in minerals, since only one mineral (from more than 5000 known minerals) have hafnium in their chemical composition (hafnon)

 

Mineral Data
What's on the rock

Alvite

Variety Of: 

Zircon

Formula: 
ZrSiO4
Strunz: 
9.AD.30
Hardness: 
7.5
Hardness: 
0.0

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