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Umbrianite & Kalsilite & Fluorophlogopite

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SHS749632

Umbrianite & Kalsilite & Fluorophlogopite

Description Tabs

Description
Locality: 
Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 1.5 cm
Description

Umbrianite with kalsilite and phlogopite in matrix

Mineral Data
What's on the rock

Umbrianite

Formula: 
K7Na2Ca2[Al3Si10O29]F2Cl2
Hardness: 
0.0
Type Locality: 
Vispi Quarry (incl. Celli; Pian di Celle), San Venanzo, Terni Province, Umbria, Italy

Kalsilite

Formula: 
KAlSiO4
Strunz: 
9.FA.05
Hardness: 
6.0
Type Locality: 
Kamengo (Chamengo crater), Gomba District, Uganda

Fluorophlogopite

Formula: 
KMg3(AlSi3O10)(F,OH)2
Strunz: 
9.EC.20
Hardness: 
2.0 - 3.0
Type Locality: 
Mt Calvario, Biancavilla, Etna Volcanic Complex, Catania Province, Sicily, Italy
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