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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
One of a collection of rocks and minerals from Southern Africa - samples of coal from River Revubue opposite Tete, Mozambique.
Chalcopyrite, dull brass-yellow metallic, mainly massive, on quartz matrix, from Taymouth, Perthshire.
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; 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 - 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 visible flakes contained in quartz - from Calliachar Burn, Aberfeldy, Perthshire.
Veszelyite - blue-green crystal fragments on matrix - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire.
Veszelyite - tiny blue-green crystals - associated with green aurichalcite spheres and pale blue hemimorphite - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire.
Veszelyite - small dark blue-green crystals and fragments - associated with pale-blue to white hemimorphite in matrix, from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire
Veszelyite - small dark green-blue crystals in and around cavities in matrix - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire.
Veszelyite - dark green-blue crystals and fragments - associated with brown stained hemimorphite and aurichalcite - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire.
Veszelyite - dark green-blue prismatic crystals - associated with green chrysocolla - from Waygate Shaft, Straitsteps Mine, Wanlockhead, Dumfriesshire.