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Heulandite

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CHA721995

Heulandite

Classic Locality

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Description
Locality: 
Bosa, Oristano Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 5.5 cm
Weight: 
220.00gr
Description

specimen with many nice white crystals of heulandite on matrix

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

Current price

$

Starting price

$10
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Shipping Information

Postage Area Price
Italy
€9
Europe
€12
extra Europe
€16
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Shipping cost (Euro) from the official price list of the Italian Postal Office (July 2018)

Max 2 Kg.

Under 250 g. : Europe  12,70 ;  World  17,95

from 250 g. to 350 g. : Europe 14,25 ; World 23,90

from 350g. to 1000g. : Europe 19,35 ; World 35,90

from 1000 g. to 2000 g. : Europe 28,45 ; World 50,90    

 

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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