White sprays of wavellite on dark green, almost black, blocky libethenite. Width of view 6mm. Stack of 90 images. Click on the image below for a higher resolution version.
Sharp green pseudo-octahedral crystals on quartz. Width of view 3mm. Stack of 120 images. Labelled as “Estremoz, Évora, Portugal”. Other such specimens on Mindat are tagged with “Uncertain locality”. The locality Miguel Vacas Mine, Nossa...
Yellow prismatic titanite crystals with dark green, black, and green pyroxene crystals, possibly ferro-katophorite(?), aenigmatite(?), and/or aegirine(?), in an albite vugh. Width of view 6mm. Stack of 100 images. Click on the image below for...
Blue and green scorodite. A specimen acquired at the 2023 Joint Australasian Mineralogical Societies Seminar in Tasmania. Width of view 6mm. Click on the image below for a higher resolution version.
A cluster of yellow-green apatite crystals with the largest 31mm wide, with minor cassiterite and arsenopyrite. The apatite exhibits orange zoned fluorescence. Ex Barry Porter Collection. Ex Mike and Coralie Fisher Collection. Click on the...
Colourless crystals. Width 11mm. Stack of 60 images. Ex Jo Price Collection.
Fluorapatite crystals to 14mm across, pale pink fluorescence under longwave with blue rims. No response under shortwave. Video best viewed full screen.
Carolinos Mine, Jack Nelson Collection
Carolinos Mine, Jack Nelson Collection
ex Jacques-Yves Desescaut, Marseilles, swapped in 2005, Helmut Braith
ex Jacques-Yves Desescaut, Marseilles, Helmut Braith
Purple hexagonal apatite crystals on a pale smoky quartz with tourmaline inclusions and minor pyrite.
Well-formed colourless crystals of willemite from the Preguiça Mine, Sobral da Adiça, Moura, Beja District, Portugal.
