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Stilbite & Apophyllite With Celadonite Inclusions

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PCZ704045

Stilbite & Apophyllite With Celadonite Inclusions

Description Tabs

Description
Locality: 
Aurangabad District, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7.6 × 3.5 cm
Description

One from my own collection. A rare specimen with blackish stilbite sprays caused by celadonite inclusions whic normally give a green colour (seen on half of one spray, final image). A few apophyllite crystals up to 1.5 cms protrode from one side and also include celadonite. A very unusual, rare and attractive Indian specimen. 

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Celadonite

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