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Heulandite-Ca With Celadonite & Chalcedony

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CLB132631

Heulandite-Ca With Celadonite & Chalcedony

Pseudomorph

Description Tabs

Description
Locality: 
Drio le Pale, Buffaure Group, Fassa Valley, Trentino-Alto Adige, Italy
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.6 × 5.5 × 5 cm
Description

Classic orange heulandite-ca with celadonite (identification by sight). In parts a perimorph of chalcedony after analcime.

Mineral Data
What's on the rock

Heulandite-Ca

Formula: 
(Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Strathclyde (Dunbartonshire), Scotland, UK

Celadonite

Formula: 
K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.0
Type Locality: 
Planitz, Zwickau, Saxony, Germany

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Seller Information

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