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Pentagonite With Mordenite On Heulandite

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SHW581061

Pentagonite With Mordenite On Heulandite

Description Tabs

Description
Locality: 
Wagholi Quarry, Pune, Maharashtra, India
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 4.5 × 2.5 cm
Weight: 
32.00gr
Description

Flower like formation of crystals of dark blue pentagonite with hairy mordenite on matrix of fine heulandite. To avoid any damages to pentagonite, specimen would be permanently mounted in a display box using hot glue before dispatch.

Wagholi, Pune - India is the only one location in the whole world, where best quality cavansite & pentagonite is found. Due to expansion of localities around, mines are almost on the verge of closing down.

Mineral Data
What's on the rock

Pentagonite

Formula: 
Ca(VO)Si4O10·4H2O
Strunz: 
9.EA.55
Hardness: 
3.0 - 4.0
Type Locality: 
Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA

Mordenite

Formula: 
(Na2,Ca,K2)Al2Si10O24·7H2O
Strunz: 
9.GD.35
Hardness: 
3.0 - 4.0
Streak: 
White
Type Locality: 
Morden, Bay of Fundy, Kings Co., Nova Scotia, Canada

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

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