Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Jervisite & Tourmaline

Views:
Watches:
SER541519

Jervisite & Tourmaline

Description Tabs

Description
Locality: 
Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.1 × 2.5 cm
Description

Spectalurar tuft of white jervisite on dark blue tourmaline; self collected on 1995; not analysed but this specimen was part of the second find for the specie in the world, well described by Paolo Orlandi in Rivista Mineralogica Italiana, issue 1998

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

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7