mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Mineralpedia Details for Tetrahedrite

Reset

Tetrahedrite

Tetrahedrite

Named after its commonly tetrahedral crystals, Tetrahedrite occurs “in hydrothermal veins or contact metamorphism deposits of low to medium temperature of formation.” One of the most common sulfosalts, Tetraherite is found in thousands of localities worldwide.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/tetrahedrite.pdf

Formula
Cu12Sb4S13 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Massive 
Cleavage
None, None, None 
Luster
Metallic 
Color
iron gray, black, steel gray 
Streak
black 
Class
Isometric - Hextetrahedral 
Fracture
Uneven 
Hardness
3.5-4 
WebMineral
View Tetrahedrite 
Mindat
View Tetrahedrite 

Tetrahedrite from Grube George, Horhausen, Rhineland - Pfalz, Germany

Tetrahedrite
            from Grube George, Horhausen, Rhineland - Pfalz, Germany Large, well-formed, excellent Tetrahedrite crystals to 6mm associated with good Chalcopyrite crystals on Siderite. Excellent sulfide specimen, sits well, no damage.
Click thumbnail images for larger view.

Tetrahedrite from Herodsfoot mine, Liskeard, Cornwall, England

Tetrahedrite
            from Herodsfoot mine, Liskeard, Cornwall, England Highly sought after are specimens such as this one from the Herodsfoot mine. As is typical from Heredsfoot, Tetrahedrite crystals are coated with Chalcopyrite. This specimen is no exception with 10 or 12 Tetraherite crystals from 5mm to 1cm in size. All are coated nicely with Chalcopyrite. The matrix is Galena. Comes with a David New label.
Click thumbnail images for larger view.

Tetrahedrite from Schwaz, Brixlegg, Tyrol, Austria

Tetrahedrite
            from Schwaz, Brixlegg, Tyrol, Austria

Large dull grey cubo-octahedral crystals to over 1cm. Originally called "Schwatzite" having originated from the Schwaz, Brixlegg - Schwaz area in Tyrol.

Click thumbnail images for larger view.

Tetrahedrite from Wiemannsbucht, Bad Grund, Harz, Lower Saxony, Germany

Tetrahedrite
            from Wiemannsbucht, Bad Grund, Harz, Lower Saxony, Germany

There are two Tetrahedrite crystals, the best to 6m, on this specimen with mostly mal-formed Galena and some Siderite. 

Click thumbnail images for larger view.

Tetrahedrite from Casapalca, Lima Dept., Peru

Tetrahedrite
            from Casapalca, Lima Dept., Peru

Rich specimen loaded with tetragonal crystals of dark steely grey Tetrahedrite to about 1cm on a matrix of Sphalerite.

Click thumbnail images for larger view.

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map