標 本 名: | フッ素燐灰石 (Apatite (Fluorapatite))
| 化学組成: | Ca5(PO4)3F | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Laghman (Lagman; Nuristan) Province, アフガニスタン (Afghanistan) | This is a fine example of purple Apatite crystals on feldspar matrix. Hundreds of crystals up to 1 cm length are attached to this potassium feldspar. Only two crystals are a bit damaged all other are doubly terminated and mostly lateral attached to the matrix. The crystal disclosing fine sharp edges with partly gemmy to translucent transparency. You get a really amazing specimen of the very desirable purple color of apatite.
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