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Proto-ferro-suenoite

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CSL512497

Proto-ferro-suenoite

Rare Mineral

Description Tabs

Description
Locality: 
Suishouyama, Iizaka Village, Kawamata, Fukushima, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.7 × 0.4 cm
Description

Pale greyish elongated crystals of rare amphibole group mineral proto-ferro-suenoite, in weathered fayalite matrix. The mineral has been renamed with the new amphibole nomenclature, former name was Protomangano-ferro-anthophyllite

Mineral Data
What's on the rock

Proto-ferro-suenoite

Formula: 
☐{Mn2+2}{Fe2+5}(Si8O22)(OH)2
Strunz: 
9.DD.05
Crystal System: 
Orthorhombic
Hardness: 
5.5 - 6.0
Type Locality: 
Nippyo mine (Yokoneyama), Awano, Kanuma City, Tochigi Prefecture, Kanto Region, Honshu Island, Japan

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