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Erniggliite & Hendekasartorite

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Erniggliite & Hendekasartorite

Type Locality

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.9 × 0.5 cm
Description

Lots of Swiss mineralogy in a lilttle shard of dolomite!

This unique specimen hosts no less than four typical Lengenbach sulfosalts, starting from a well-formed crystal of extremely rare erniggliite ("e" in pictures) supporting a nice spray of another Tl sulfosalt, conservatively labeled as hutchinsonite ("h") even though a jentschite composition cannot be ruled out. Close by in the background, a black hexagonal crystal could well be another erniggliite but it was too deep inside to analyze.

Close to the main vug we found a sartorite-group sulfosalt, very close to the ideal composition of hendekasartorite ("hs"), and some mm away a small group of hatchite ("ha") crystals. Intense red crystals were not tested but likely belong to a silver sulfosalt like trechmannite.

Mineral Data
What's on the rock

Erniggliite

Formula: 
Tl2SnAs2S6
Strunz: 
2.GA.45
Crystal System: 
Hexagonal
Hardness: 
2.0 - 3.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

Hendekasartorite

Formula: 
Tl2Pb48As82S172
Crystal System: 
Monoclinic
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

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: [email protected] . 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: [email protected]  - phone: +39.3381058295. Returned items should be sent to: Roberto Bracco, piazza Monticello 12/2, 17100 Savona, Italy