ncat WD117 Holmsquistite, Greenbushes Mine, Greenbushes Tinfield, Bridgetown-Greenbushes Shire, Western Australia
An aggregate of fibrous purple crystals. Specimen measures 42mm wide.
An aggregate of fibrous purple crystals. Specimen measures 42mm wide.
Tiny purple crystals on larger black crystals. Width of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
Not sure of the chemistry here, but it appears to be pyrite altered to goethite, then partially altering to hematite. Or possibly the other way round. All with a bit of relict quartz. Ex Jo Price Collection. Width of view 6mm. Stack of 45 images. Click on the image below...
Thin orange plates of wulfenite with yellow-green rounded pyromorphite, and tiny sharp olive-green fornacite crystals on bluish-white halloysite. Ex Jo Price Collection. Width of view 14.5mm. Stack of 90 images. Click on the image below for a higher resolution version.
Prismatic colourless crystals of gypsum. Ex Jo Price Collection. Width of view 11.5mm. Stack of 100 images. Click on the image below for a higher resolution version.
Interpenetrant gypsum crystals. Collected during roadworks. Largest crystal is 27mm long. Click on the image below for a higher resolution version.
Yellow crystals in a variety of habits. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Iridescent goethite stalactites. Ex Jo Price Collection. Width of view 11.5mm. Stack of 65 images. Click on the image below for a higher resolution version.
Green balls of glaukosphaerite on a tremolite matrix. Ex Jo Price Collection. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Green acicular-fibrous crystals. Ex Albert and Marianne Schrander-Hettinga 1/2006. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Dark green gillardite. Light green gaspeite. Colourless gypsum. Gillardite Type Locality. Ex Jo Price Collection. Width of view 5.75mm. Stack of 130 images. Click on the image below for a higher resolution version.
Greenish crust. Type Locality. Ex Dakota Matrix Minerals. 42x30x18mm. Click on the image below for a higher resolution version.