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Brewsterite & Heulandite

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DAR1074549

Description Tabs

Description
Locality: 
Yellow Lake, Olalla, British Columbia, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.1 × 1.7 cm
Description

A nice specimen of pinkish Heulandite with Brewsterite, from the Yellow Lake area, in British Columbia, Canada

  

Buy multiple specimens to save on postage!

Mineral Data
What's on the rock

Brewsterite

Synonym Of: 

Brewsterite-Ba

Formula: 
(Ba,Sr)[Al2Si6O16]·5H2O
Strunz: 
9.GE.20
Hardness: 
5.0

Brewsterite-Sr

Formula: 
(Sr,Ba,Ca)[Al2Si6O16]·5H2O
Strunz: 
9.GE.20
Hardness: 
5.0
Group Parent: 
Zeolite Group

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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Shipping Information

Postage Area Price
United States
$5
Canada
$16
Europe
$18
View sellers shipping policy

We ship the cheapest we possibly can with the sale of our minerals and specimens and do not make money from postage costs.  

Minimum amounts, depending on the size and number of specimens you purchase, starts at around $7 in the United States and $20 or more outside of the United States.  We will be able to quote exact amounts when the purchases are complete.  Most international orders should be able to ship for $23 in a small international flat rate box.

We will ship all material double boxed for the safest shipping, if requested.  

All items will combine with postage.  If you buy 8 items that can all fit in a box that ships for $7, you will only be charged the $7.

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Buyer assumes all responsibility for paying for the specimens.  We prefer Paypal only as this is the easiest way to accept payments, plus provides insurance for both buyer and seller.  

Purchases are expected to be paid within 48 hours, unless prior arrangements have been made (such as bidding on more items).  

Any questions about our specimens or shipping please feel free to send us an email.

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