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Coal Coal

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 Bromargyrite

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

Coal Coal

Coal; a block of black 'little splint' coal with a tree bark-like texture, one of a group of specimens of coal and associated rocks taken from different parts of the bore of the Minto Pit of the Lochgelly Iron and Coal Co, Brigghills Farm, Lochgelly, Fife

Cassiterite Cassiterite

Cassiterite - grey aggregated crystals - a sample of tin ore containing 73% metallic tin - from the Rooiberg Tin Mine, Waterberg District, Transvaal, South Africa -

Silver Silver

Ingot of Scottish silver smelted from vein ore from a trial prospect at the Calliachar Burn, Bolfracks Estate, near Aberfeldy, Perthshire.

Gold Gold

Gold - an ingot of Scottish gold smelted from vein ore from a trial prospect at the Calliachar Burn, Bolfracks Estate, near Aberfeldy, Perthshire.

Gold Gold

Gold - coarse alluvial - from Borland Glen, Glendevon, Ochil Hills, Perthshire.

Gold Gold

Gold - coarse visible flakes contained in quartz - from Calliachar Burn, Aberfeldy, Perthshire.

Calcite Calcite

Calcite - pale orange-pink to colourless crystals - associated with hematite on matrix - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire

Galena Galena

Galena - dull grey metallic - shelved - associated with quartz crystals - from Wanlockhead, Dumfriesshire.

Galena Galena

Galena - massive - silver-grey metallic - associated with fine cerussite and quartz crystals - probably from Wanlockhead, Dumfriesshire.

Greenockite Greenockite

Greenockite - fine encrustations of yellow-green crystals on sphalerite - probably from Wanlockhead, Dumfriesshire

Galena Galena

Galena - a single silver-grey crystal - associated with pyrite and quartz - from Wanlockhead, Dumfriesshire.

Nickeline Nickeline

Nickeline - massive, bronze-metallic in quartz - from No. 8 level, Wanlockhead, Dumfriesshire

Galena Galena

Galena - a single dull grey metallic crystal associated with quartz - from Wanlockhead, Dumfriesshire.

Calcite, pseudomorphous after witherite Calcite, pseudomorphous after witherite

Calcite - chalk white crystal aggregates pseudomorph after witherite - from Liverick Vein from a cross cut between High Raise and Trebar Veins, Haggs Mine, Allenheads, Northumberland, England

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