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Phurcalite With Metatorbernite & Brochantite

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LJM727080

Phurcalite With Metatorbernite & Brochantite

Ex. Leo Jahaan Collection
Radioactive

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Description Tabs

Description
Locality: 
Posey Mine, Red Canyon, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
13.4 × 8 × 3.2 cm
Description

Here is a very rare specimen of bright yellow phurcalite micro crystals growing in acicular tufts, with metatorbernite micro crystal plates and some minor brochantite, on a sandstone matrix.

From the Posey Mine in the USA, famous for its rare phurcalite specimens.

Despite the large size of this piece, the radioactivity is relatively minor.

This is a particularly good size and quality for a very rare mineral specimen.

Ex. Collection of Leo Jahaan

Mineral Data
What's on the rock

Phurcalite

Formula: 
Ca2(UO2)3(PO4)2O2·7H2O
Strunz: 
8.EC.35
Hardness: 
3.0
Colour: 
Yellow
Type Locality: 
Streuberg Quarry, Bergen, Bergen U deposit, Zobes-Bergen District, Vogtland, Saxony, Germany

Metatorbernite

Formula: 
Cu(UO2)2(PO4)2·8H2O
Strunz: 
8.EB.10
Hardness: 
2.5
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...
Jahaan Minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Please read the dimensions of the specimen, as the size of minerals in photos can be misleading.

To see the details shown in close-up macro photos, you may require a high quality magnifying glass or jeweler's loupe.

Care has been taken to accurately display the colors of the specimen. However, please be aware that computer monitors and phone screens each display colors slightly differently. Differences in light brightness and light source can also drastically alter the appearance of mineral colors. Therefore please be aware that while these photos are accurate and colors have not been enhanced, what you see on your screen may vary slightly from what you see in your hand, and may require specific lighting conditions (usually brighter is better).

Information regarding the specimen's found locality and mineral identification is believed to be correct, however due to the complexities of ID'ing minerals and tracking source locations in rare cases this data may be imprecise.

If you have any questions or concerns please don't hesitate to send a message.

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