Rocks and Minerals
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barite
Ghost crystal of barite in barite, found in Silverband Mine, Milburn Grange, Cumbria; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/630)
calcite
Golden transparent calcite; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/611)
clinochlore_hessonite
Clinochlore hessonite (garnet), classic specimen of type, found in Northern Italy; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/416)
dioptase
Dioptase found in Congo; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/304)
fluorite
Green fluorite, found in Heights Mine, Weardale, County Durham; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/660)
galena_with_fluorite_and_dolomite
Cubes of galena with minor fluorite and dolomite, found in the north of England; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993 (Museum ref: MATMM:G.5000/663)
gold
Gold quartz reef from Witwatersrand, South Africa; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/7)
papagoite
Papagoite specimen found in New Cornelia Pit, Ajo, Arizona, USA; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/5)
ruby_on_mica_schist
Ruby crystal on mica schist, found in India; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/405)
tremolite
Tremolite asbestos found in Ontario, Canada; part of the Howie Collection – Mineral specimens and related items collected by Professor R.A. Howie between 1947 and 1993. (Museum ref: MATMM:G.5000/6)