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Heulandite-Ca

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CSW1038906

Heulandite-Ca

Collected by John & Robert Lawson
Classic Locality

Description Tabs

Description
Locality: 
Gobbins, Island Magee, County Antrim, Northern Ireland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4.5 × 3 cm
Weight: 
85.00gr
Description

A very rare locality example of an amygdale in basalt matrix lined with spherical masses of off-white micro heulandite-Ca crystals. The Gobbins area is now out of bounds to collectors as it has been turned into a major tourist attraction with metal walkways extending out from the basalt sea-cliffs. E4 LC

Mineral Data
What's on the rock

Heulandite-Ca

Formula: 
(Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Strathclyde (Dunbartonshire), Scotland, UK

Current price

$

Starting price

$25
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Start 28 Mar 18:00
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Shipping Information

Postage Area Price
UK - Royal Mail 1st Class
$6
Europe - Tracked/ Insured
$12
Rest of World - Tracked/ Insured
$15

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer. 

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