Geology Superstore
Geology Superstore

Calcite Crystal Beds – Milldam Mine

£1.15£5.54 ex VAT

Specimens of calcite crystal beds of varying colours from Milldam Mine, Derbyshire, UK. These ideal specimens for collectors of British minerals are supplied in a white card tray with an information label.

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Specimens of calcite crystal beds from Milldam Mine, Derbyshire, UK. Calcite is one of the polymorphs of calcium carbonate, the others being aragonite and vaterite. Calcite is one of the index minerals in the Mohs scale at number 3, as it is a fairly soft mineral, able to be scratched by your finger nail. As expected of this group of minerals, it reacts with hydrochloric acid or vinegar to release bubbles of CO2, this causes a reactions which results in bubbling and fizzing on the surface of the specimen. This can prove a useful identification method in the field when calcite is in a more massive form, or as an enjoyable teaching aid under laboratory conditions. These particular samples display calcite crystals of various colours over matrix. These ideal specimens for collectors of British minerals are supplied in a white card tray with an information label.

Weight 120 g
Specimen Size

1.5" x 1.5", 2" x 2", 3" x 2", 3" x 3", 4" x 3", 5" x 3.5"

SKU: MIN-317 Category: Tags: , , , , , , , ,
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