Calcite Rhomb – Kilo Bag
Calcite rhombs, excellent mineral specimens supplied by 1 kilogram weight, the samples show a cubic cleavage as expected and vary in colour between white, grey and brown. A very soft mineral, calcite scratches easily and reacts with weak acid by fizzing. It will be supplied in a polythene bag along with an information card.
1 kilo of caclite rhomb mineral specimens, showing typical cleavage and vitreous/pearly lustre. Calcite is a common and widespread mineral with variable forms and colours, best recognized by its relatively low Mohs hardness (3) and its high reactivity with even weak acids: e.g. vinegar, along with its prominent cleavage in most varieties which make it appear as a rhomb shape, (e.g. warped cubes or rectangles). These mineral specimens are ideal for schools, educational and teaching use where bulk quantities may be required for little cost, specimens are supplied are a range of sizes between 40 mm to 70 mm and come in a strong polythene bag by kilo weight and an information card