Undamaged 'snowflake' of Cerussite with small crystals of green, cuprian Smithsonite attached to the front. Complete and good from both sides, both front and back sides shown.

Divergent sprays of Azurite crystals on a bit of white matrix. These are the uncommon GEM Azurites from Tsumeb that show great color and transparency when backlit.  Good pointed termination on most crystals.  A few crystals have ragged, unterminated ends but these are natural and not damaged. A rare old treasure.

Highly aesthetic Tsumeb Dioptase, decidedly more colorful than most due to the presence of the baby blue Plancheite spheres. The Dioptase occurs as both small drusy crystals coating Calcite rhombs and larger, highly lustrous crystals to 1.8cm.

Dioptase crystals to 1cm with larger, translucent Calcite crytals to 1.5cm Some damage present but in overall good condition. Typical Tsumeb Dioptase/Calcite specimens have white, rhombic Calcite. This one is a little different with translucent to transparent scalenohedral Calcite crystals.

White Anglesite crystals to 1.5cm on a bit of blue, metallic matrix (Germanite?). There are also what appear to be small Wulfenite crystals in the matrix (Chillagite?). Some chipping but in overall good condition.

Wulfenite and Mimetite crystals scattered across a heavy, metallic sulfide matrix. Some green mineralization adds color contrast.  Great study specimen with hundreds of crystals.

Bright and transparent Quartz crystal with inclusions of Brookite crystals. This is an excellent example with long Brookite crystals, some of which are fully included in the Quartz and others that partially extend out of the Quartz. The central Brookite extends from the base of the Quartz right up the middle to the very tip of the Quartz! The Quartz is also mostly recrystallized on the base. Great crystal!!

Faceted Spessartine gemstone. A 5mm round weighing 0.75 carats. Good orange color.

Olive green color Prehnite crystals with sharp radial clusters overall. A small amount of silver-gray Graphite can be seen mainly on the bottom. An excellent quality specimen with good luster and very translucent. No major damage and only minimal chipping here and there. Though darker in color due to Graphite inclusions, this is an excellent specimen with large, well defined crystals that I value at $300.