File:Alvite.jpg
| Uploaded by | David Hospital |
|---|---|
| Upload date | 2018-02-21T20:53:42Z |
| MIME type | image/jpeg |
| Dimensions | 904 × 667 px |
| File size | 72.7 KB |
Summary
| Description |
English: 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). From: Tangen Feldspar Mine, Kragerø, Telemark, Norway. |
| Date | |
| Source | Own work |
| Author | David Hospital |
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