Sweetwater  Mine, Missouri, USA - Colorless to very pale yellowish translucent semi-lustrous prismatic crystals of calcite to 3.7 cm in length set attractively over the top of a 9.5 x 5.5 x 5.0 cm pyrite, chalcopyrite, and dolomite crystal matrix. Very minimal micro-cleaving present, this is in very good condition and sits very nicely by itself for display.

Sweetwater Mine, Viburnum Trend District, Reynolds Co., Missouri, USA - Well shaped bi-terminated calcite crystal of 3.7 cm stands on this matrix coated by dolomite and chalcopyrite crystals. Nice rock of 8x3.7x1.8 cm

Sweetwater Mine, Viburnum Trend District, Reynolds Co., Missouri, USA - Very nice cluster of terminated calcite crystals on a coat of tiny dolomites and chalcopyrites. The calcite are all terminated and 2.5-3.5 cm in size. Overall size is 8x2.5x1.8 cm

Fletcher mine, Viburnum Trend, Reynolds Co., Missouri, USA - A classic calcite specimen from this locality. The calcite is biterminated and 2.8 cm in size and sits on a matrix formed by a rich coating of chalcopyrites and dolomite with siegenite ! Nice combination specimen of 3.5x3.5x3 cm

MECKLEY QUARRY, PA, USA - This specimen has a geode with 0.7-1.2 cm crystals of celestine.On the back there is a beautiful covering of celestine crystals of 5-7 mm. Good terminations. 10x7x6 cm

Mammoth-Saint Anthony Mine, Tiger, Mammoth District, Pinal Co., Arizona, USA - A 4.3 x 4.3 x 2.7 cm matrix is hosting a grouping of  reticulated cerussite crystals to 3.0 across. The largest  individual crystal is 1.3 cm in length. Nice bright orange wulfenites also. Minor damage is present as seen in the photos.

Sweetwater Mine, Reynolds  Co., Missouri, USA - Beautiful iridescent brassy to purplish large crystals of chalcopyrite to 1.0 cm in size scattered over the top of a 4.5 x 4.5 x 2.0 cm dolomite crystal coated matrix. Shows nicely all around and in excellent condition. Very good large crystals for the species from this locality. 

Sweetwater Mine, Viburnum Trend District, Reynolds Co., Missouri, USA - Showy purple to blue iridescent crystals of chalcopyrite to 0.3 cm in size scattered over this shapely 7.5 x 6.0 x 3.5 cm white dolomite crystal coated breccia matrix. Micro-chipping present but sparse, I think this in good condition.

Majuba Hill Mine, Pershing Co., Nevada, USA - Bright blue acicular crystals of Clinoclase on matrix.Overall size is 2.5 x 2.3 x 1.5 cm

Henderson #2 Mine, Chibougamau, Québec, Canada  - Very nice group of small cubanite crystals associated with calcite on matrix. 2.9 × 2 × 1.9 cm