A small shallow vug hosting brilliant deep saturated green zincolivenite crystals. The crystals are sharp and lustrous, with beautiful colour. The vug was tight and so there are some incomplete crystals. Ex Crystal Classics, and their label accompanies the piece. Top zincolivenite colour from Tsumeb! Please Note: the colour representation in the still photographs has […]

This is a beautiful arborescent copper specimen, with sharp red dodecahedral crystals of cuprite perched on sharp copper crystals, on a base of sharp calcite crystals. In excellent condition. This is from the Tracy Kimmel Collection, ex. Jordi Fabre, ex. Joachim Folch Collection, dating to approximately 1973 (labels from the last two are included). A […]

This specimen hosts a sharp, dark wulfenite crystal (1.2 cm) on calcite crystals, with deep red iron oxide coatings. The wulfenite crystal has bright lustre and a mirror-like main face. In excellent condition, one chip to the back side. From the Tracy Kimmel Collection, ex. Kristalle-Crystal Classics (with their label), ex. Uli Bahmann and there […]

A handsome specimen with sharp, lustrous golden smithsonite crystals accompanied by a few colourless ones. In excellent condition and is accompanied by a Crystal Classics label. A beautiful Tsumeb smithsonite! Please Note: the colour representation in the still photographs has been carefully calibrated and adjusted to show an accurate rendition of this specimen in daylight […]

A sharp, lustrous single crystal of anglesite that is transparent in upper areas and dark with inclusions in the back and lower portions.  From the Pete Richards Collection, #943, he acquired it from Gene Schlepp and counted it among his international thumbnails, angled to fit in a perky box. In excellent condition from the front, with […]

An elegant midnight blue crystal of Tsumeb azurite, with great sharpness and lustre. Although it appears almost black at first glance, it is an amazing blue- when directly backlit with an LED lamp, the top half of the crystal is like clear deep blue glass. In excellent condition, tiny edge chips are visible with magnification. […]

A wonderful old classic from Tsumeb, this is a razor-sharp, lustrous azurite crystal, partially pseudomorphed to malachite. Super blue colour, not as dark as some other typical Tsumeb azurites. In excellent condition, with tiny edge chips. From the Pete Richards Collection, #950 – his catalogue notes that this specimen was previously in the Lazard Cahn […]

A beautiful dioptase from Tsumeb, with top sharpness, colour and lustre.  The main crystal is 2.2 cm, and is associated with small balls of malachite. It has a wonderful internal play of light with the intense green, up at the termination. In excellent condition, no damage except a missing bottom tip of the dioptase. From […]

This is a specimen of pseudomorphs of arsentsumebite after hexagonal mimetite crystals. One crystal is hollow – seems fully crystallized (although on one edge a chip reveals some internal cerussite replacement). Perched on the arsentsumebite are small cyclic twins of cerussite. In excellent condition, this specimen is from the Tracy Kimmel collection, ex. Isaias Cassanova […]

This is a shallow bowl of smithsonite crystals with a coating of willemite crystals fully covering one side of the bowl. It’s hard to say for sure, as there are minor peripheral areas where small crystals are incomplete, but this seems to have formed as a floater. The smithsonites are in excellent condition, and many […]

A lovely specimen of the lead-bearing variety of aragonite, tarnowitzite. These are beautiful crystals, sharp, lustrous and lots of sparkle. The small amount of malachite in association nicely adds colour. In excellent condition, a couple of incomplete crystals at the periphery. Ex Crystal Classics, with label included. A very classy piece! Please Note: the colour […]

A group of gorgeous glassy calcite crystals with great crystal modifications. These are sharp and as lustrous as calcite gets! In excellent condition overall, with three incomplete crystals, two at the outer periphery and one towards the periphery at lower right. Green malachite in association, and of course bright orange fluorescence under UV light. A […]