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Aragonite

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MIC730673

Aragonite

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Description
Locality: 
Khaidarkan, Fergana Valley, Osh Oblast, Kyrgyzstan
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
14.5 × 9.5 × 9 cm
Description

Aragonite is a carbonate mineral, one of the three most common naturally occurring crystal
forms of calcium carbonate, CaCO3 (the other forms being the minerals calcite and vaterite). 
It is formed by biological and physical processes, including precipitation from marine and 
freshwater environments.

The crystal lattice of aragonite differs from that of calcite, resulting in a different
crystal shape, an orthorhombic crystal system with acicular crystals. Repeated twinning 
results in pseudo-hexagonal forms. Aragonite may be columnar or fibrous, occasionally in 
branching stalactitic forms called flos-ferri  ("flowers of iron") 
from their association with the ores at the Carinthian iron mines.

This is a decorative white Aragonite sample with diffrent crystal shapes 
(cauliflower like aggregates and a skalenohedric white crystals like calcite.

Aragonite shows usualy a good fluorescence in UV-light.

Mineral Data
What's on the rock

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

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Shipping Information

Postage Area Price
Germany:
6
EU International:
11.50
Worldwide:
16

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Seller Terms & Conditions

RESPONSE TIME: Seller will generally respond within 48hrs to questions and purchase requests, via the e-Rocks contact and invoice system.

PAYMENTS: All transactions must be currency requested in the invoice.

Preferred payment is via PayPal, this is accessed securely and automatically through the invoice.

Payments might also be accepted offline or via interbank electronic transfer (IBAN), the Seller will supply details if that is your preference.

BUYER PROTECTION: Transactions are between Buyers and Sellers on e-Rocks using PayPal are covered by PayPal's Buyer/Seller Protection - subject to their Terms & Conditions. 

Under PayPal's terms, any Seller reserves the right to use the Buyer's PayPal registered address only as delivery address. Please check with Seller before buying if you wish to have an item shipped to another address.

SHIPPING: Please refer to shipping costs quoted on individual items and shipping policy section on the item page. All shipping costs subject to prevailing local postage rates, which might change.

Sellers reserve the right to change these rates should underlying costs change.

Shipping costs will economise when 2 or more specimens are purchased together.

Sellers will always quote and charge actual costs. Insurance, Recorded Delivery or alternative Carrier can be provided at cost to purchaser.

Sellers’ mailing address/contact information is found via their profile or on the top of your invoice:

FOR ALL CUSTOMERS: Once the Seller receives your payment the specimen(s) will be packed and sent them within reasonable time – unless you request a Shipping Hold.

if there is anything you do not understand - please ask.

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