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Chiappinoite-(Y)

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CHA210271

Chiappinoite-(Y)

New mineral IMA 2014-040
New Discovery

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Description
Locality: 
Água de Pau Volcano, São Miguel Island, Azores District, Portugal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.9 × 1.5 cm
Description

In five years I have controlled 1300 kg. of syenites and I have found only one little syenite (of 15 cm) with few crystals of this new mineral: the chiappinoite-(y) IMA 2014-040 with formula Y2Mn(Si3O7)4 is a mineral extremely rare, are known only few specimen, all come from the holotype block, this specimen have a group of crystals, one of them is a perfect and very nice colourless brilliant crystal

Mineral Data
What's on the rock

Chiappinoite-(Y)

Formula: 
Y2Mn(Si3O7)4
Hardness: 
6.0 - 0.0
Type Locality: 
Água de Pau volcano (Fogo volcano), San Miguel Island, Azores District, Portugal

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