A plate of pyromorphite with the larger crystals zoned and barrel-shaped. Specimen measures 60x50x20mm. Width of view 9mm. Stack of 60 images. Click on the image below for a higher resolution version.
A single well-formed arsenopyrite crystal on matrix. Specimen measures 55x30x25mm.
Pseudo-octahedral orange crystals with white barite. Ex David Vince. Width of view 3.5mm. Stack of 63 images. Click on the image below for a higher resolution version.
Pink rhodochrosite rosettes on quartz with minor sulphides. 38mm wide.
Tan roweite with colourless olshanskyite. Also present, tiny green andradite crystals. Width of view 38mm. Stack of 72 images. Click on the image below for a higher resolution version.
Rosette of colourless hexagonal imayoshiite crystals. Width of specimen 15mm. Click on the image below for a higher resolution version.
Fragments of meteorite in a capsule, magnetic. Width of view 5.75mm.
Tan roweite and colourless/white fibrous to prismatic olshanskyite. Much of the white material could be something else but has not been analysed. Width of specimen 70mm. Click on the image below for a higher resolution version.
Half a dozen beryl crystals on a matrix of muscovite and albite. The largest beryl measures 22mm across. Width of crystal in photo 16mm. Stack of 60 images. Whole specimen measures 54x32x30mm. Click on the image below for a higher resolution version.
Yellow calcite with bluish-white fluorescence (Convoy) and a green afterglow that takes a few seconds to fade. Colours are not exact in photo (iPhone). Also, compared to the many many calcite specimens from Chenzhou in Mindat, this is atypical. There is a large variety of forms, but not like this...
A group of cassiterite crystals on a striated single ferberite crystal. Width 11mm. Stack of 130 images.
Superb cluster of azurite crystals. Very solid piece. Video best viewed full screen.
Sharp orange-red tabular/platey crystals. Locality likely Jianshan Mine, although not labelled as such. Labelled as Guangxi, China – no wulfenite listed in Mindat in this region. Recent similar specimens from seller are noted as Xinjiang not Guangxi. Video best viewed full screen.
Butterfly twin. Pink fluorescence. Video best viewed full screen.
An attractive copper specimen partially altered to dark red cuprite. Video best viewed full screen.
Sharp orange wulfenite blades, some with a dusting of white calcite on one face. Video best viewed full screen.
Sharp cassiterite crystals. Video best viewed full screen.
Single twinned crystal. Ex Barry Johnson Collection. Video best viewed full screen.
Two well-formed joined at the base crystals.
Two greenish opaque quartz crystals joined together. Not smooth faces.
Gemmy rich emerald-green fluorite octahedrons, to 15mm on edge, cover the matrix plate 75x70x25mm. This colourful two-generation fluorite is from a small 2016 find near Yiwu City, a very obscure locality in Zhejiang Province, China. Scattered secondary overgrowths of clusters of purplish-grey, frosted, stepped-growth cuboctahedrons add contrast. Some of the...
Type Locality. Ex John Sobolewski, Matt Gibbs
Superb twinned chalcopyrite crystals, similar to one found at Mt Lyell in Tasmania. Mindat suggests chalcopyrite is doubtful from this locality.
Perfectly-formed wurtzite crystals, doubly-terminated quartz, plus other sulphides? Purchased at Keystone, priced at $500.
Three sharp red cinnabar crystals on white dolomite. Ex Eugene Carmichael Collection (EWC 437), ex The Aesthetics Underground, Alberta, Canada.
Purple cubes of fluorite on double quartz crystals. 57x35x22mm. #500640.
Two bluish green topaz crystals on a quartz matrix. Minor arsenopyrite, muscovite and purple fluorite. 45x45x30mm. #520679.
Minsoc Xmas Auction
Pyrite disease. Removed from collection.
White dolomite crystals on superb brown helvite crystals.
Boulangerite crystals in fluorite from the Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou Prefecture, Hunan Province, China. Photo width 11mm.
