Large single Azurite crystal with a small attached crystal that is altering to Malachite. There is also some alteration to Malachite under the surface of the main crystal that gives areas of 'electric' blue color. Fully terminated and complete all around. There is one chipped area on the side with the small attached crystal (though most of what you see in the third photo is natural etched growth), otherwise it's undamaged. Comes with an old Geary Murdock collection label.

White Calcite coated with a dusting of greenish brown Descloizite hosting a cluster of orange Wulfenite crystals. Individual crystals reach 2.5cm on the diagonal. The crystals are chunky (1.5cm thick!) and undamaged and display equally well from either side.

Silvery metallic Sylvanite on matrix. Main area of Sylvanite is 4.5cm wide. Sylvanite is a rare Silver and Gold Telluride mineral.

Octahedral crystals of greenish white Wardite crystals on matrix. Ex. Chuck Trantham collection.

Silvery, metallic Magnetite crystals from an obscure old iron mine in southern California. Largest Magnetite is 2.5cm wide.

Large, complete single Brazilianite crystal. This is a specimen I've owned for about 25 years, purchased long ago from dealer Steve Perry. Steve used to make regular trips to Brazil and was there when this mine was actively producing Brazilianite. This was the biggest, best crystal he found in his trips. There is very minor edge chatter but it's essentially undamaged with good luster, areas of transparency, and the yellow/green color these are known for. Comes with a custom Lucite base.

Large open vug with white Hemimorphite crystals. The main cluster is an incredible 4.5cm wide fan-shaped formation. An unusual and distinct example of a fairly common mineral. If you've wanted a good Mexican Hemimorphite but think they all look the same, this one is for you.

Large 6cm octahedral pink Fluorite on Muscovite. A superb example from a locality that came to fame for it's Aquamarine, but more recently has produced fine pink Fluorite specimens. The main crystal is highly transparent and there are additional small Fluorites in the Muscovite and a white Feldspar crystal.