標 本 名: | 石英 (ファーデンクオーツ ) (Quartz)
| 化学組成: | SiO2 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Dara Ismail Khan District, North Waziristan, Federally Administered Tribal Areas (FATA), パキスタン (Pakistan) | Here you get a so called „Faden“ quartz from Pakistan, the cluster crystal is hosting dozens of intergrown and twinned crystals and at some areas you can see the same giving thread (Faden). The whole specimen shows only one tiny crystalline fracture face!!
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