1778 Fluorite, Quartz, Ojuela Mine, Mapimi, Mun. de Mapimi, Durango, Mexico
Purple fluorite crystals on quartz
1730 Marcasite, Fluorite, Mt Bischoff, Waratah, Tasmania
More likely pyrite
1684 Willemite, Mimetite, Red Cloud Mine, Silver District, Trigo Mts, La Paz Co., Arizona, USA
Old mount with label of Yuma Co which predatesthe split of Yuma into the La Paz and Yuma counties.
1668 Arisite-(La), Tuperssuatsiaite, Aegirine, Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia
White hexagonal plates. Other species present (maybe fluorapatite, analcime, albite?). Collected in 1994.
1664 Gold, Kambalda, Coolgardie Shire, Western Australia
Small patches of gold on quartz.
1597 Stilbite-(Ca), Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Colourless crystals partly on epidote. Ex Bob Trimingham Collection #T-10527, acquired by him in 1987, purchased for $5 from Parker Minerals. Marked at US$8 by Jewel Tunnel Imports, but Keystone.
1593 Mimetite, Broken Hill, New South Wales
Zoned hegagonal prisms. Ex Joan Lamond specimen #3972.
1576 Barite, Malachite, Shinkolobwe Mine (Kasolo Mine), Shinkolobwe, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Za‹re)
Malachite on colourless-grey barite crystals. Ex Downunder Minerals.
1570 Cuprite, Copper, Gypsum, Pit F0 Supergene Deposit, Boddington Gold Mine, Boddington, Western Australia
Originally thought to be barite, but no barium in analyses, so more likely gypsum.
1568 Rosickýite, Unspecified offshore drill hole (Pacific Ocean), Ventura Co., California, USA
Tiny yellow crystals. Width of view 11.5mm. Stack of 35 images. Click on the image below for a higher resolution version.
1547 Gold, Fiery Creek, Beaufort, Pyrenees Shire, Victoria
Crystalline nugget 4.66g.
1534 Gold, Rhine river alluvials, Kembs, Sierentz, Haut-Rhin, Alsace, France
Sealed glass ampule containing many flattened flakes of gold. Ex Brian Shelton Collection.
1517 Zircon, Point Leo, Mornington Peninsula, Victoria
Waterworn zircons half-filling a micro box. Colours range from pale yellow to dark reddish brown. Many fluoresce bright yellow under shortwave UV. Collected by Ron and Betty Wallace.
1512 Barite, Calcite, Old Moulds Mine, Langthwaite, Arkengarthdale, Richmondshire, North Yorkshire, England, UK
Labelled as barytocalcite (not listed in Mindat), but could be barite. Colourless to white crystal aggregates. Width of view 6mm. Stack og 86 images.
1497 Azurite, Malachite, Cuprite, Mineral Hill Mine, Talingaboolba, Condobolin, Kennedy Co., New South Wales
Sharp blue azurite crystals on and around a cuprite crystal replaced by malachite. Ex Margaret Brown Collection.
1486 Picromerite, Leonite, Halite, Neuhof-Ellers Potash Works, Neuhof, Fulda, Hesse, Germany
White picromerite crystals (dehydrated to white, opaque leonite) with colourless halite.