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菱鐵礦 吡咯錫 閃鋅礦 - 高度: 14 mm - 闊度: 10 cm- 19 g
編號 83591851
編號 83591851
Historic and rare specimen rich in pyrite crystals (pseudo-icosahedron crystals) on a matrix of lamellar hematite and goethite.
Coming from an old collection with original label.
Collected 1969-70
Crystals with imperfections , which however do not diminish the historical and crystallographic importance of this old specimen.