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Bournonite & Siderite

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JWK735960

Bournonite & Siderite

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Description
Locality: 
Saint Pons, Alpes-de-Haute-Provence, Provence-Alpes-Cote d'Azur, France
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 2 cm
Largest Crystal: 
1.00cm
Weight: 
19.00gr
Description

Two sharply terminated lustrous bournonites inside a yellow-green siderite vug. If you took a closer look at the bournonites, you would notice they are actually polysynthetic clusters of multiple cyclic twinned individuals. The greenish coatings on the bournonite are alteration products, mostly oxyplumboromeite ('bindheimite'). Some iron oxides stain the siderite, adding red hues to the specimen.

Saint-Pons is a singular locale in the Alps where alpine-type combinations are found together with generally older well formed sulfosalts.

Cristosud's find.

Collected: 
2018
Mineral Data
What's on the rock

Bournonite

Formula: 
PbCuSbS3
Strunz: 
2.GA.50
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The Cristosud team wishes to offer you the best service. In order to have your parcel shipped as soon as possible, please complete the payment within the 7 days following the purchase date. In cases you want to combine several specimens and save on shipping fees, or you encounter an issue completing the payment, please let us know by emailing us, so we can arrange it together.

We accept returns within 14 days after you received the item, in accordance with the French law. Return fees are at the expense of the buyer, except if you receive a damaged specimen, or an item different from what the description stated.

Do not hesitate to email us if you need more info about a specimen you plan to bid on.

Thanks for your confidence !

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