Geological Specimen
| item | description | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. | GSJ M33154 | |||||||||
| Name | Topaz / トパズ | |||||||||
| Chemical Composition | Al2SiO4F2 | |||||||||
| Structural group | Topaz | |||||||||
| Class | Nesosilicates / ネソ珪酸塩鉱物 | |||||||||
| Location | Dasso (Dassu), Baltistan, Northern Area Pakistan | |||||||||
| Country | Pakistan / パキスタン | |||||||||
| Occurrence | Pegmatite | |||||||||
| Description | Columnar crystal on albite, with muscovite | |||||||||
| Remark | Ref. Miner. Rec. 28, No.3 (1997) | |||||||||
| location | ||||||||||
| @id | https://gbank.gsj.jp/ld/resource/musee/M33154 | |||||||||
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