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Analcime & Calcite

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QRC596695

Analcime & Calcite

With Antique Label

Description Tabs

Description
Locality: 
Isle of Skye, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
5.7 × 11 × 4.8 cm
Largest Crystal: 
1.10cm
Weight: 
285.00gr
Description

Robert Ferguson (1767 – 1840), Esq. of Raith, MP of Kirkaldy, Lord Lieutenent of Fifeshire, and Fellow of the Royal Society of London, was a distinguished mineralogist, after whom the species fergusonite is named.

This specimen comes from his collection, forgotten for long time in the family’s palatial estate and recently sold by Ferguson’s descendants.

The label does not report the precise locale of the analcime; I presume it is from the Isle of Skye according to the peculiar matrix.

Please, note that this specimen offers a chance to acquire a piece that truly date from the time before Mineralogy was a true science.

Mineral Data
What's on the rock

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Minerals on auction are from worldwide locations, with a special focus on Italian classics.

Specimens offered are of high quality for different kinds of collectors and are always shown throught the best possible picture in order to present all their features.

Returns will be accepted within 15 days of receipt of goods. All we ask is that you contact us directly by e-mail within 15 days if the item(s) you receive has some problem. A refund for the purchase price less shipping will be issued as soon as we receive the item(s) back in unaltered condition . Please pack them to survive the trip. Sorry, shipping and insurance charges are not refundable. Postage for returned merchandise is at your cost.

Please note that we will not accept returns after 15 days, nor will we accept them unless we have first received notification from you of your intentions.