A unique combo specimen of a Fluorite Barite Cluster. Beautiful golden Barite Crystals on amazing blue-green Fluorite. Outstanding! Such a beautiful piece with an interesting combination. Even without light behind it the colour of the fluorite is easily discerned. The lovely translucent crystals make for a stunning display piece. This is an unusual colour for fluorite. Specimens like this are not in great supply and this would make an excellent addition to any mineral or crystal collection.
Xiefang Mine, Jiangxi, China.
8.6cm x 10 x 3.2cm 380g.
An ore of Barium. Magnetism: Diamagnetic. Thermal Behavior: Inverts to another (monoclinic ?) polymorph when heated to 1149°C. Above 1400°C decomposition to barium oxide, sulphur dioxide and oxygen. Thermoluminescent at times. Insoluble in water, acids and bases. Moderately soluble in hot, concentrated sulfuric acid, due to formation of the hydrogen sulphate.
Fluorite is from the Latin noun meaning a stream or to flow. Fluorite is used as a flux when smelting metals to help the slag rise to the top and give better fluidity to the molten metal. This mineral has some amazingly coloured crystals for the beginner to advanced collector.