Native Copper in Matrix Ontonagon County, Michigan 6.8 cm x 5.7 cm x 4.3 cm   Here is a really interesting specimen of copper in matrix from Michigan. This appears as a large thin blade / leaf of copper, not the usual crystal form, that comes from the thin vein in the matrix still attached. If you look in this vein you can see the thin sheet of copper running throug… More info

"Copper Rose", Native copper pseudomorph after Azurite  Copper Rose Mine  San Lorenzo, Georgetown District, Grant County, New Mexico  3.3 cm x 2.7 cm 2.3   Here is a very unique specimen. This is a Copper pseudomorph after Azurite, which formed a copper rose, (I wonder were they got the name for the mine?) Blades of Azurite that have bee… More info

Crystalline Copper "Copper Dragon" Itauz, Djezkazgan, Kazakhstan 5.6 cm x 2.9 cm x 1.8 cm, 10.2 g   Here is a beautiful specimen of copper in it's native crystalline form.  I call it the Copper Dragon, to me looks like a dragon in flight. It has beautiful crystal growth and form. A very interesting specimen of this native metal.   … More info

Native Copper, with phosphorescent Opal-AN,  Mt. Elliot Copper Mine, Selwyn District, Cloncurry Shire, Queensland, Australia 6.4 cm x 4.3 cm x 3.1 cm, 64.8 grams   Here is a wonderfully aesthetic specimen of Native Copper.  This specimen has beautiful crystallization and has not been cleaned in anyway.  What is so very special with this specimen i… More info

Native Copper Lake Superior District, Phoenix, Keweenaw Co., Michigan 4.0 cm x 2.5 cm x 1.2 cm ex. Ken Hollmann Memorial Collection   Here is an absolutly stunning Native Copper specimen from this well known mining district. This miniature size specimen, has great crystallization and form. It has a great 3 dimensional look to it. A very aesthetic specimen of nat… More info

Azurite w/ Malachite and Copper Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia 5.6 cm x 4.1 cm x 2.3 cm     Here is a beautiful specimen of Azurite with Malachite and copper from this famous mine. It is one of those specimens that can be displayed in so many ways. It has beautiful crystals of cobalt blue Azurite. Throughout the specimen are fiberous clus… More info

Native Copper Cliff Mine Phoenix, Keweenaw Co., Michigan 6.5 cm x 3.0 cm x 2.0 cm ex. Ken Hollmann Memorial Collection   An old classic, from the first successful copper producer on the Keweenaw Peninsula, on Lake Superior. Here is an absolutly stunning Native Copper specimen from this long closed mine. It has great crystallization and form, very 3 dimension… More info

Cuprite and Silver Rubtsovsk Mine Rubtsovsky District, Altai Krai, Russia 3.8 cm x 2.6 cm x 2.5 cm   Although original label states Poteryaevskoe Mine, all indications point to the Rubtsovsk Mine. Either way, this is an amazing specimen of cuprite and silver from Russia. This is a sharp cluster of octahedral cuprites with a dark silvery red patina, features crys… More info

Native Copper With Calcite Quincy Mine  Houghton County, Keeweenaw Peninsula, Michigan 11.93 cm x 6.0 cm x 3.43 cm, 290.4 g ex Dr. Eugene E. Sensel Collection   Here is an amazing native copper specimen from an old Michigan Locale.   It comes from the collection of a well know East Coast Collector and retains it's original collection card, w… More info

Native Gold in Matrix with Pyrite Grass Valley, Nevada County, California ex. Roy Foerster Collection 9.37 cm x 5.6 cm 1.2 cm, 109 grams   Here is a wonderful slab of matrix with quite a bit of native gold running through it.  What I find of interest for the specimen collector, is the line of cubic pyrite visible separate from the gold.  Most gold prospector… More info