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Azurite Gemstone Information. Azurite is a rare variety of gemstone-quality copper ore. Azurite is one of two basic copper carbonate minerals (malachite is the other). Azurite is rarer than malachite and is considered more valuable. Azurite gets its name from the Persian word 'lazhward', which refers to its distinctive, vivid blue color.
Jade - how to find this extraordinary gemstone. Jade is the gemologist's term for two different mineral species: nephrite and jadeite. These two minerals are nearly impossible to distinguish from one another without the aid of mineralogical and XRD (x-ray diffraction) tests.