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Hydroxycalciomicrolite

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SMM783724

Hydroxycalciomicrolite

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Description
Locality: 
Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1 cm
Description

Minute dark brown crystals of hydroxycalciomicrolite scattered in two / three points of the white matrix. The sample will arrive with a sticker label by F. Vanini (vaniniite), a specialist in rare minerals from the Alps. Collected 25 August 1997

Boxed with Label
Mineral Data
What's on the rock

Hydroxycalciomicrolite

Formula: 
Ca1.5Ta2O6(OH)
Hardness: 
5.0 - 0.0
Colour: 
brown
Type Locality: 
Volta Grande mine (Mibra mine), Nazareno, São João del Rei pegmatite province, Minas Gerais, Brazil

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