Natural History - Hematoid Quartz Crystal Specimen Group [50]

With chocolate-brown, brownish and greenish grey crystals, possibly from Mexico, collection number 149. 83 grams, 55 mm



Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card and a letter from the British Museum (Natural History) dated 1983 confirming the specimen to be kolwesite.

Comprising tabular colourless crystals on a this bed of hematite, collection number 572, with an old Gregory, Bottley & Lloyd label. 65 grams, 59 mm



Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Accompanied by an original historic index file card.

Comprising: botryoidal psilomelane from Stanislawow, Poland, collection number 608, with an old Geologisch Centrum, Netherlands, label; rosasite and calcite on goethite and limonite from Mapimi, Durango, Mexico, collection number 61; sphalerite on quartz, collection number 187; pyrite from Italy, collection number 339; a cut and polished crazy laced agate nodule, collection number 299; chalcopyrite on baryte, collection number 238; celestine from Malagasy Republic, Africa, collection number 29; calcite on pyrite from Levant Mine, Cornwall, England, collection number 474; calcite from England, collection number 102. 1 kg total, 36-89 mm



Acquired on the UK mineral and fossil market, since 1970. From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent. Eight specimens accompanied by an original historic index file card.