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Powellite With Apophyllite & Stilbite On Chalcedony

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Powellite With Apophyllite & Stilbite On Chalcedony

Type Locality

Description Tabs

Description
Locality: 
Nashik District, Maharashtra, India
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.3 × 6.4 cm
Weight: 
60.00gr
Description

Chalcedony stalactite with pale pink apophylite crystals , translucent apophylite , cream stilbite with pale yellow powellite perched on top of the stalactite.

Mineral Data
What's on the rock

Powellite

Formula: 
Ca(MoO4)
Strunz: 
7.GA.05
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0
Type Locality: 
Peacock Mine (South Peacock; Darland; Peacock & South Peacock), Cuprum, Seven Devils District, Adams Co., Idaho, USA

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

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

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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