1379 results found
Cassiterite - grey aggregated crystals - a sample of tin ore containing 73% metallic tin - from the Rooiberg Tin Mine, Waterberg District, Transvaal, South Africa -
Nickeline - massive, bronze-metallic in quartz - from No. 8 level, Wanlockhead, Dumfriesshire
Leadhillite - pale green platy crystals on barite - from Leadhills, Lanarkshire.
Leadhillite - pale grey-green platy crystals associated with bright blue caledonite and a small amount of yellow pyromorphite - from Leadhills, Lanarkshire
Lanarkite - dull pale grey acicular aggregates with grey hexagonal tabular crystals of leadhillite and a small amount of yellow pyromorphite - from Susanna Mine, Leadhills, Lanarkshire.
Cerussite - large aggregate - pale grey, tabular - associated with a smaller amount of prismatic white and colourless quartz - from Wanlockhead, Dumfriesshire.
Cerussite - large white acicular aggregates - from Eggleshome, Leadhills, Lanarkshire
Caledonite - small, bright blue prismatic crystals - associated with white and grey platy leadhillite on barite - from Leadhills, Lanarkshire
Caledonite - bright blue, granular - with deeper blue linarite and bright green, mammilated pyromorphite - from Leadhills, Lanarkshire.
Calcite - large white dog tooth spar crystals - on a white granular base - from the New Glencrieff vein, Wanlockhead Mine, Wanlockhead, Dumfriesshire
Calcite - large white dog tooth spar crystals - associated with white well-formed quartz crystals - from the New Glencrieff vein, Wanlockhead Mine, Wanlockhead, Dumfriesshire
Chalcopyrite - large, dull brass-yellow metallic twinned tetragonal crystals - on white dolomite - from Wanlockhead, Dumfriesshire.
Vanadinite - small brown barrel-shaped crystals on dull white botryoidal apatite - from Wanlockhead, Dumfriesshire.
Mattheddleite - microscopic white crystals - associated with grey acicular aggregates of lanarkite, grey platy leadhillite and earthy yellow-green pyromorphite - probably from Susanna Mine, Leadhills, Lanarkshire.
Larvikitic syenite, polished coarse-grained blue-grey slab almost completely composed of labradorite, trade name 'Larvikite Granite', from Norway
Granite, polished coarse-grained slab, reddish-brown orthoclase with translucent quartz and black biotite, trade name 'African Red', probably from Africa