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Jervisite & Thortveitite

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SER208478

Jervisite & Thortveitite

Description Tabs

Description
Locality: 
Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 2.5 cm
Description

Some white, tiny tufts of jervisite with a blue ball of thortveitite; Baveno is the second occourence in the world for jervisite and I was the founder on 1998 of the first specimen, analysed in Pisa and published in the Rivista Mineralogica Italiana in the same year

Mineral Data
What's on the rock

Jervisite

Formula: 
(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.25
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
white
Type Locality: 
Giacomini quarry (Diverio quarry), Agrano, Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy

Thortveitite

Formula: 
(Sc,Y)2Si2O7
Strunz: 
9.BC.05
Crystal System: 
Monoclinic
Hardness: 
6.0 - 7.0
Streak: 
white
Type Locality: 
Ljoslandsknipan (Thortveitittgruva), Knipan (Knipane), Ljosland, Iveland, Aust-Agder, Norway