ncat OW302 Chalcopyrite, 4780 Level, 4 Lens Drill Drive 3, Mount Gordon, Queensland
Rounded chalcopyrite crystals. Specimen measures 53x34x33mm. Ex Rory McCann. Click on the image below for a higher resolution version.
Rounded chalcopyrite crystals. Specimen measures 53x34x33mm. Ex Rory McCann. Click on the image below for a higher resolution version.
Tarnished crystals on pink-fluorescing calcite. Ex Bernie Day Collection. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Chalcocite forming both a tapering prismatic crystal with a pseudohexagonal crystal at its base, with tufts of malachite on a vugh lining of crystalline prehnite. Ex Margaret Brown. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
A specimen of pseudocubic chabazite and twinned phillipsite in a vugh in basalt labelled as ‘Cairns, Queensland’ that was collected probably in the 1970s or early 1980s. All I can find out is that the town is built on ‘recent superficial deposits derived from the Barron River’ and that ‘the...
Isolated pseudocubic chabazite crystals, some interpenetrant. Width of view 17.25mm. Stack of 70 images. Click on the image below for a higher resolution version.
White to pale green chalcoalumite with fine needles of blue cyanotrichite. Ex Bernie Day Collection. Width of view 5.75mm. Stack of 30 images. Click on the image below for a higher resolution version.
Pale blue rosettes of platy crystals. Ex Brian Beyer. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Grey cerussite crystals on azurite. Ex Graham Lee. Width of view 19mm. Stack of 85 images. Click on the image below for a higher resolution version.
White globular hyalite opal partially coating one of the greenish barrel-shaped pyromorphite crystals. The opal fluoresces white under longwave UV. Ex Val Hannah Collection. Width of view 19mm. Stack of 51 images. Click on the image below for a higher resolution version.
Single colourless crystal measuring 20x20x23mm.
Dark brown cleavage. Width of view 25mm. Use the slider to see specimen front and back lit. Click on the image below for a higher resolution version.
Tiny deep blue acicular buttgenbachite crystal sprays (centre of image) with green-blue gerhardtite. Width of view 3.5mm. Stack of 80 images. Ex Bernie Day Collection. Analysis is required to distinguish between connellite (sulphate) and buttgenbachite (nitrate), which form a series. This specimen has not been analysed, but has a very...