標 本 名: | バストネサイト / バストネス石 (Bastnaesite- Ce)
| 化学組成: | (Ce,La)(CO3)F | サ イ ズ: | 88,9 x 54,4 x 21,7
クリスタル: 7,8 x 6,5 mm | 重量: | | 透明: | | 数量: | | 産地: | Zagi Mountain (Zegi), Mulla Ghori, Khyber Agency, Federally Administered Tribal Areas (FATA), パキスタン (Pakistan) | Here you get four Bastnaesite crystals intergrown with different angle, disclosing partly good transparency and fine luster. These crystals are imbedded in a massive gneissic alkaline granite matrix, single albite crystals can be seen as well. At two tiny spots some crystalline fracture is visible but all the other aces are fully intact with sharp edges. Nevertheless a good specimen in matrix!
| 
