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Roggianite & Bityite

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BCK191803

Roggianite & Bityite

Type Material from Author, William Henderson Collection
Type Locality

Description Tabs

Description
Locality: 
Pizzo Marcio, Trontano, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1 × 0.7 cm
Description

You are bidding on a small matrix specimen with tiny fibers of roggianite and tan micaceous clusters of rare bityite. This is material from the original author of the species and from the lesser known of the original localities the mineral was found.

Mineral Data
What's on the rock

Roggianite

Formula: 
Ca2Be(OH)2Al2Si4O13·2.5H2O
Strunz: 
9.GB.20
Hardness: 
0.0
Type Locality: 
Alpe Rosso, Orcesco, Druogno, Vigezzo Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy

Bityite

Formula: 
LiCaAl2(AlBeSi2O10)(OH)2
Strunz: 
9.EC.35
Hardness: 
5.5
Type Locality: 
Maharitra (Manitra), Sahatany Valley, Sahatany Pegmatite Field (Mt Ibity area), Vakinankaratra Region, Antananarivo Province, Madagascar

Seller Information

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