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Kristiansenite Chabazite & Quartz

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SER743798

Kristiansenite Chabazite & Quartz

Description Tabs

Description
Locality: 
Seula Mine, Mount Camoscio, Verbano-Cusio-Ossola Province, Piedmont, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5.5 × 4.5 cm
Description

a large vug hosts some quartz crystals, some pseudocubes of chabazite and a wonderful light yellow crystal of kristiansenite on quartz; the crystal features a poligemination charateristic of this locality

Mineral Data
What's on the rock

Kristiansenite

Formula: 
Ca2ScSn(Si2O7)(Si2O6OH)
Strunz: 
9.BC.30
Hardness: 
5.5 - 6.0
Streak: 
white
Type Locality: 
Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway

Chabazite

Synonym Of: 

Chabazite-Ca

Formula: 
(Ca,K2,Na2)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 5.0

Chabazite-K

Formula: 
(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Mg

Formula: 
(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 0.0

Chabazite-Na

Formula: 
(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Sr

Formula: 
Sr2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 4.5

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White