Sharp, sparkling crystals of quartz forming a substantial layer over fluorite crystals from the El Hammam Mine. In excellent condition, this is a beauty from the John White collection. About John S. White (click here)  

Superb, sharp, sphalerite crystals from Santa Eulalia, accompanied by small, pearly, light-brown dolomite crystals. In excellent condition. From the Pete Richards collection, he acquired it in October 1983. This is a gorgeous sphalerite!   About Pete Richards (click here)

These are complex pyrite crystals! They are sharp and lustrous, with many forms present. From the Pete Richards collection, his description of the forms present is as follows: {2 1 0}, {1 0 0}, {4 3 0}, {1 1 1}, {2 1 1}, {2 2 1}, and often {6 5 0}, {8 7 0}, {10 […]

From the Pete Richards collection, this is a plate of lustrous light green adamite crystals, including fan-shaped aggregates. The crystals are sharp and beautiful. Great fluorescence under UV light. In very good condition, some incomplete crystals at the periphery. A nice specimen for sparkle and fluorescence.   About Pete Richards (click here)

An Italian classic from the Pete Richards collection, this specimen is comprised of intergrown, pseudohexagonal twinned crystals of aragonite. The crystals are sharp and lustrous, with a slightly greenish cream-coloured hue. Under short-wave ultraviolet light, this specimen exhibits strong orange fluorescence, with internal zoning clearly apparent in the crystals (the zoning is not visible in […]

This piece from the Pete Richards collection features nests of small silvery needle crystals of boulangerite, together with pyrite crystals. Looks great with a little magnification. In excellent condition. Sweet! About Pete Richards (click here)

An Austrian classic from the Pete Richards collection, this piece features a 5.1 cm almandine crystal, along with a smaller crystal and an incomplete one. These almandine crystals have good sharpness and definition. Unlike many of these now seen offered for sale, the crystals are completely natural, nothing has been polished. In excellent condition, the […]

Sparkling light green adamite crystals on dark gossan, providing nice contrast. In excellent condition. Great fluorescence under UV light. A pretty adamite from the Pete Richards collection.   About Pete Richards (click here)

From the Pete Richards collection, this Japan Law twin quartz stands on a bed of light amethyst crystals. It’s a great twin – I love this one edge-on. It’s well defined with sharp terminations. In excellent condition, one small chip. A beautiful matrix Japan Law twin. About Pete Richards (click here)

A group of mirror-bright, sharp pyrite crystals from one of the world’s classic localities for great pyrite, the famous Quiruvilca Mine. These crystals combine pyritohedron, octahedron and cube faces. From the Pete Richards collection, he acquired it in the early 1980s when Quiruvilca was producing more pyrite than in more recent times. In excellent condition, […]

Sharp, lustrous calcite crystals from the Pete Richards collection. These crystals fluoresce bright orange under ultraviolet light. In very good condition, minor chipping. There are small aggregates of grey crystals in association – perhaps barite? A nice piece.   About Pete Richards (click here)

Brilliant lustrous tetrahedrite crystals with contrasting colourless-white quartz. The tetrahedrite crystals have nice modifications. In excellent condition, minor chips. There are microcrystals of chalcopyrite in association. A very nice tetrahedrite from the Pete Richards collection.   About Pete Richards (click here)