Clarity:  Fine crystal

This is a rare and fantastic 13

It has also been polished on one side while the other side has been left raw

the year commercial mining of ammolite began

33-gram Impact Melt Rock from the Polingen Quarry site of the famous Ries crater Germany

Tetrahedrite, Sphalerite, Calcite and Siderite | Terminated Crystal Cluster | 670 Grams | Huaron Mine, Peru | SO24 Skutterudite Clarity: Fine crystalSharp terminated metallic crystals of tetrahedrite with quartz crystals and covered with rare siderite and sphalerite. The sphalerite on the cluster reacts to UV light with a lovely orange color. This top specimen is in very good condition. Would be a beautiful addition to any new or existing collection. Name: Tetrahedrite, Sphalerite, Calcite and Siderite Crystal Cluster Specimen Size: Cabinet sized Dimensions: 88x76x63 mm 3. 5x3x2. 5 inches Weight: