3397 results found
Coal; One of a collection of rocks and minerals from Southern Africa - a sample of coal from Rivulet Natole above Tete, the first indication of true coal Dr Livingstone found in coming east
Bromargyrite - purple-grey waxy veins - associated with chlorargyrite in matrix - originally registered as Embolite, a chloride and bromide of silver - from Chanarcillo, South of Copiapo, Atacama Province, Chile, SOUTH AMERICA
Cassiterite - grey aggregated crystals - a sample of tin ore containing 73% metallic tin - from the Rooiberg Tin Mine, Waterberg District, Transvaal, South Africa -
Ingot of Scottish silver smelted from vein ore from a trial prospect at the Calliachar Burn, Bolfracks Estate, near Aberfeldy, Perthshire.
Gold - an ingot of Scottish gold smelted from vein ore from a trial prospect at the Calliachar Burn, Bolfracks Estate, near Aberfeldy, Perthshire.
Gold - coarse alluvial - from Borland Glen, Glendevon, Ochil Hills, Perthshire.
Gold - coarse visible flakes contained in quartz - from Calliachar Burn, Aberfeldy, Perthshire.
Calcite - pale orange-pink to colourless crystals - associated with hematite on matrix - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire
Galena - dull grey metallic - shelved - associated with quartz crystals - from Wanlockhead, Dumfriesshire.
Galena - massive - silver-grey metallic - associated with fine cerussite and quartz crystals - probably from Wanlockhead, Dumfriesshire.
Greenockite - fine encrustations of yellow-green crystals on sphalerite - probably from Wanlockhead, Dumfriesshire
Galena - a single silver-grey crystal - associated with pyrite and quartz - from Wanlockhead, Dumfriesshire.
Nickeline - massive, bronze-metallic in quartz - from No. 8 level, Wanlockhead, Dumfriesshire
Galena - a single dull grey metallic crystal associated with quartz - from Wanlockhead, Dumfriesshire.
Galena - dull silver-grey metallic - associated with sphalerite and quartz - from Tyndrum, Perthshire.
Galena - silver-grey massive - associated with calcite and minor pyrite - from Strontian Main Vein, Clashgorm open cast workings, Strontian, Argyll.