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Calzirtite Spinel & Geikielite

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Calzirtite Spinel & Geikielite

Rare Mineral

Description Tabs

Description
Locality: 
San Vito Quarry, Ercolano, Monte Somma, Somma-Vesuvius, Naples, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.8 × 3.4 × 2.4 cm
Largest Crystal: 
0.03cm
Description

A nice and interesting specimen from the Vesuvius xenoliths, metamorphosed marble hosts tabular yellow calzirtite crystals on "molten" rounded calcite with tiny (really!) brown geikielite and pale pinkish brown spinel. There are several calzirtite crystals hiding around, to be found with a little patience at the microscope, attaining quite large a size for this occurrence.

A unique association in an old specimen, recently analyzed.

Mineral Data
What's on the rock

Calzirtite

Formula: 
CaZr3TiO9
Strunz: 
4.DL.10
Hardness: 
6.0 - 7.0
Type Locality: 
Gornoozerskii carbonatite complex (Gornoe Ozero), Aldan province, Khabarovskiy Kray, Far-Eastern Region, Russia

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

Geikielite

Formula: 
MgTiO3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0
Type Locality: 
Rakwana, Ratnapura District, Sabaragamuwa Province, Sri Lanka

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Start 11 Aug 18:00
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Shipping Information

Postage Area Price
Italy
6
Europe
8
US, Canada, S. America
$10
Other countries
$12

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

We offer rare minerals to systematic collectors worldwide, doing our best to ensure accurate identification and provide adequate information and pictures.

Through extensive field search and contacts with trusted sources, we manage to provide the best in newly found species and classic type-locality minerals. Should your item prove to be different we offer an immediate refund of purchase.

Items may be returned within 15 days of receipt, please note that return costs are at customer's expense. We will issue refund as soon as we receive the item in unaltered condition.

Preferred payment is via Paypal, please follow instructions at ceckout and make payment to: systematic@yourmineralcollection.com . If you don't have a Paypal account you can as well pay with your credit card following instructions for non-Paypal users.

Alternatively we accept bank transfer to: Roberto Bracco - bank: Intesa Sanpaolo - via Paleocapa 134/R - 17100 Savona, Italy.

IBAN code: IT79P0306910600100000067863 SWIFT code: BCITITMM

Cash and checks not accepted.

To contact us and ask questions about items on sale, please e-mail to: systematic@yourmineralcollection.com  - phone: +39.3381058295. Returned items should be sent to: Roberto Bracco, piazza Monticello 12/2, 17100 Savona, Italy
 

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