標 本 名: | 褐鉄鉱（かってっこう) (Limonite)
| 化学組成: | FeO(OH)· n H2O | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Mogok Stone Tract, Mandalay Division, ビルマ(ミャンマー) Burma (Myanmar) | A fine limonite octahedron pseudomorph after pyrite and this is the only specimen I have seen still disclosing pyrite underneath the limonite crust. Great specimen!
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