標 本 名: | ジルコン (Zircon)
| 化学組成: | ZrSiO4 | サ イ ズ: | 68,1 x 42,2 x 24,3
クリスタル: 16,0 x 11,7 mm | 重量: | | 透明: | | 数量: | | 産地: | Konar Valley, Konar (Kunar; Konarh; Konarha; Nuristan) Province, アフガニスタン (Afghanistan) | Here you get a fine orangey red zircon crystal in matrix. Mostly dark red specimens are found from this locality, this one shows partly transparency, fine luster and a much brighter coloration A smaller twin is attached small crystalline fracture faces are visible the rest of the specimen is fully intact . The schist matrix is very brittle and is mainly made up by pure biotite lamellas.
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