Aggregate Collection

Fanny and Dora Watson, Kent / 178
Fanny (right) and Dora (left) Watson. Taken at the Houghton photographic studio. The Watson Fanny Watson is wearing three War Service Bar stripes on her left arm

British Mediterranean Fleet Sports Day - Prizes, including the Aggregate Cup (centre) at the Ben-Marl Stadium, rigged up by the crews of the HMS Benbow

Aslan Cement Factory, Izmit, Kocaeli, Turkey Date: circa 1935

Cerussite
Aggregates of white crystals on globular crystalline baryte. Cerussite comprises of (lead carbonate). Specimen from Frank Mills mine, Christow, Devon

Sphalerite
Drusy aggregates of black lustrous crystals. Sphalerite or zinc blende comprised of (zinc iron sulphide). Specimen from Nenthead, Cumbria

Wood tin, variety of cassiterite
Dark-brown banded aggregates of cassiterite intergrown with white quartz and black tourmaline. Cassiterite comprises of (tin oxide). This polished specimen is from West Kitty mine, St. Agnes, Cornwall

Artificial carborundum
Aggregate of black lustrous hexagonal crystals with a slight iridescence, and a pile of ground powder. Carborundum is used to produced emery cloth, it is not natural

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