標 本 名: | クウォーツ (Quartz) / ルチル (Rutile) / 斧石 (Brookite-(Fe))
| 化学組成: | SiO2 / TiO2 / (Ca,Fe,Mn)Al2BSi4O15OH | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Wana, South Waziristan, Federally Administered Tribal Areas (FATA), パキスタン (Pakistan) | Quartz crystals with Brookite inclusions, at the former contact faces Brookite existed a small fracture plane is still visible at the surface. The brownish grey needles are imbedded in both crystals.
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