Calcite with Duftite inclusions

Rose Quartz from Rio Jequitinhonha, Mina Gerais, Brazil. The matrix is 90x70x40mm. Rose quartz crystals up to 7mm with a minor showing of Eosphorite.

Copper “Skull” from Centennial Mine, Houghton Co., Michigan. Seldom seen formation which occurs when copper is deposited around cobbles in a conglomerate lode. The cobble deteriorates over time and leaves the copper “skull” formation. Specimen size is 135x110x50mm. From Ed Coleman Collection.

Tourmaline from Stak Nala, Gilgit, Pakistan. Crystal is 30mm long with lovely pink cap. Termination is lustrous. There is one contact area from another crystal on the termination as shown in the photo.

Copper “Skull” from Centennial Mine, Houghton Co., Michigan. Seldom seen formation which occurs when copper is deposited around cobbles in a conglomerate lode. The cobble deteriorates over time and leaves the copper “skull” formation. Specimen size is 95x85x40mm. From Ed Coleman Collection.

Sphalerite with Marcasite and Barite from G.P. Materials South Quarry, Potosi, Missouri. Spherical shape groupings of sphalerite up to 2.5cm sit on crystallized quartz and marcasite matrix. Minor white barite showing on the largest deep red sphalerite grouping.