Magazine
Yellow Fluorite: Formation, Properties and Care
Yellow fluorite is a colour variety of calcium fluoride. It is relatively soft and needs...
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Dumortierite: Mineralogy, Jewellery and the Anxiety Myth
Dumortierite is a blue to violet aluminium borosilicate. It is interesting as a jewellery stone;...
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Green Fluorite: Properties, Care and Symbolism
Green fluorite is calcium fluoride and relatively soft. Its colour and fluorescence are mineralogically interesting;...
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Lapis Lazuli: Formation, Features and Safe Use
Lapis lazuli is a blue rock containing lazurite, calcite and often pyrite. Historical and spiritual...
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