A single crystal of cassiterite with no matrix. 13x13x7mm. Stack of 25 images. Click on the image below for a higher resolution version.
A sample of alluvial heavy concentrate in a vial from the Ringarooma River, Derby, containing mostly brown to black cassiterite, with minor orange zircons, and occasional sapphires and black spinel. Width of view 14.25mm. Stack...
A tiny cassiterite crystal embedded in matrix. Width of view 4.75mm. Stack of 20 images. Click on the image below for a higher resolution version.
Sharp crystals of cassiterite ranging in colour from yellow through grey and brown to black, some zoned, with white topaz (to the right and slightly below the main cassiterite crystal) and green torbernite (not in...
Brown to black euhedral cassiterite crystals with zoned divergent sprays of prismatic crystals in the matrix. Width of view 16mm. Stack of 75 images. Click on the image below for a higher resolution version.
Dark brown cassiterite crystals and an iron-stained topaz crystal (centre top) embedded in a corroded greisen matrix. Width of view 9.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Three loose complex crystals without any matrix. Collected underground. Width of view 19mm. Stack of 34 images. Click on the image below for a higher resolution version.
A twinned cassiterite crystal with a small smoky quartz crystal at the centre, no matrix. A gift from, and collected by, the late Albert Chapman. Width of view 14mm. Stack of 66 images. Click on...
Lustrous black cassiterite crystals with chlorite-coated quartz and dark olive-green prismatic actinolite. Width of view 19mm. Stack of 85 images. (Top image). Click on the image below for a higher resolution version.
Sharp cassiterite crystals on one edge of a specimen containing well-formed arsenopyrite crystals, quartz crystals, and botryoidal orange dolomite. Width of view 14.25, Stack of 80 images (cassiterite photo). Second photo width of view 8mm....
Lustrous dark cassiterite crystals with white quartz crystals, from the edge of a porphyry dyke. Width of view 9.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Lustrous dark cassiterite crystals with quartz. Width of view 19mm. Stack of 90 images. Click on the image below for a higher resolution version.
Aggregate of cassiterite crystals. Width of view 9.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Prismatic cassiterite crystal with interesting features. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Twinned cassiterite. Width of view 12mm. Stack of 56 images. Click on the image below for a higher resolution version.
A group of crystals with gemmy portions and no matrix. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl...
A single blue anatase crystal on a specimen containing dark green chlorite, orange-brown cassiterite, white albite and colourless quartz. Ex Bernie and Margaret Day Collection. The label on the base of the box is in...
A group of cassiterite crystals on a striated single ferberite crystal. Width 11mm. Stack of 130 images.
Transparent brown to almost black prismatic cassiterite crystals with dark greenish schorl and yellow calcite. Width 6.5mm. Stack of 109 images. Ex Jo Price Collection.
Heavy specimen. Most of the matrix is cassiterite too. Video best viewed full screen.
Sharp cassiterite crystals. Video best viewed full screen.
Ex Barry Johnson Collection. Video best viewed full screen.
Single twinned crystal. Ex Barry Johnson Collection. Video best viewed full screen.
Cluster of lustrous sharp crystals. Ex Barry Johnson Collection. Video best viewed full screen.
Very rare location. The site is only available to Chris Jewson. Very little in the literature about this very small mine.
Ex Bernie Day specimen.
Rare from locality. Collected 10/2005, Chris Jewson
ex Jack Leach Collection
