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Ullmannite

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NRW141935

Ullmannite

Ex. Fred (Dr. F. P.) d’Esopo collection. Ex. William W. Pinch
Fluorescent

Description Tabs

Description
Locality: 
(Cagliari Province), Sardinia, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.6 × 2.2 cm
Largest Crystal: 
0.10cm
Description

Metallic opaque tin-white to steel grey Ullmannite formed in a massive off white Calcite matrix. While the specimen is very rich in massive Ullmannite, there are a few very tiny Ullmannite cubic crystals (up to 1 mm) imbedded in the Calcite~! Ex. Fred (Dr. F. P.) d’Esopo collection. Ex. William W. Pinch. Both labels are included in the auction.

Monte Narba (Mt Narba Mine), San Vito (Sarrabus), Cagliari Province, Sardinia, ITALY

Mineral Data
What's on the rock

Ullmannite

Formula: 
NiSbS
Strunz: 
2.EB.25
Crystal System: 
Isometric
Hardness: 
5.0 - 5.5
Type Locality: 
Storch und Schöneberg Mine, Gosenbach, Siegerland, North Rhine-Westphalia, Germany
Nature's Window