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Heulandite & Celadonite

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CSW147193

Heulandite & Celadonite

From a single find in 1996

Description Tabs

Description
Locality: 
Campos Novos, Santa Catarina, Brazil
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

Basalt matrix with an amygdale containing lovely golden orange brown heulandite crystals with green celadonite. From a single find in 1996.

Mineral Data
What's on the rock

Heulandite

Synonym Of: 

Heulandite-Ba

Formula: 
(Ba,Ca,K,Na,Sr)5Al9Si27O72·22H2O
Strunz: 
9.GE.05
Hardness: 
3.5

Heulandite-Ca

Formula: 
(Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0

Heulandite-K

Formula: 
(K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5

Heulandite-Na

Formula: 
(Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5

Heulandite-Sr

Formula: 
(Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5
Hardness: 
3 - 3.5
Colour: 
White
Streak: 
White

Celadonite

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

Seller Information

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