Siderite, Quartz, & Pyrite on Sphalerite, Panasqueira Mines, Portugal. grace Weighs 14 grams

Weighs 14 grams

7 grams and measures 6 x 5

This piece has been completely polished and cut on the base but the termination shape/direction is natural

also known as Jacare is helpful in bringing the qualities of fluency

The red color in the orbs is caused by hematite staining of the feldspar

Siderite, Quartz, & Pyrite on Sphalerite, Panasqueira Mines, Portugal. grace Weighs 14 gramsSiderite, Quartz, Marcasite, & Pyrite on Sphalerite. Panasqueira Mines, Portugal. 8. 2 x 4. 6 x 2. 3 cm A classic example from the mines of Panasqueira in Portugal. A large discus shaped crystal of siderite measuring over 25mm in length sits atop a matrix of highly reflective sphalerite. Associated with this specimen as well are tiny crystals of glittery pyrite partnered with smaller siderite crystals, coxcomb style marcasite, and a few transparent