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Ferriakasakaite-(Ce)

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FRE693879

Ferriakasakaite-(Ce)

New Mineral type

Description Tabs

Description
Locality: 
Maniglia Mountain Mine, Bellino, Cuneo Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.5 × 1.5 cm
Description

Dark brown crystal of about 0.5 mm in lenght of the very new and exceedingly rare ferriakasakaite-(Ce), IMA 2018-087 with sonolite, pennantite and hematite on a chert matrix.

From the old manganese deposit of Maniglia Mt., Cottian Alps, 3177 metres above sea level.

Author's material, specimen part of the holotype.

Mineral Data
What's on the rock

Ferriakasakaite-(Ce)

Formula: 
{CaCe}{Fe3+AlMn2+}(Si2O7)(SiO4)O(OH)
Group Parent: 
Allanite Group
Crystal System: 
Monoclinic
Type Locality: 
Maniglia Mt. Mine, Bellino, Varaita Valley, Cuneo Province, Piedmont, Italy
Isostructural with: 
Ferriakasakaite-(La)

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