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Chalcopyrite With Quartz

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LGM1092456

Chalcopyrite With Quartz

Ex Dr. Krantz, Bonn, Germany, ex G. Garbari, Trento, Italy
With Antique Label

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Description
Locality: 
Cinquevalli Mine, Roncegno, Valsugana, Trento Province, Trentino-Alto Adige, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 5.5 × 3.5 cm
Largest Crystal: 
0.50cm
Weight: 
86.00gr
Description

An isolated golden chalcopyrite crystal on a white crystallized quartz matrix.

Comes with an old label of the italian enterpriser and collector Guiseppe Garbari. He was born in Trento, Italy, on June 27, 1863 and died in Florence on June 6, 1937. Garbari had contacts with many prominent mineral collectors and dealers around the world. His mineral collection was especially rich in specimens from Italian localities, and from localities in Slovakia, particularly Banská Štiavnica and Kremnica. Garbari's mineral collection was ultimately sold to the firm of Friedrich Krantz in Bonn, Germany, and was dispersed to many private and institutional collections. A number of Garbari specimens are preserved today in the Freiberg Mining Academy's Mineralogical Museum.

Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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