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Gemstones

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Almandine garnet specimen showing characteristic deep red colour and dodecahedral crystal form

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Almandine Garnet

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Amethyst crystal cluster from Magaliesburg, South Africa showing purple colour

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Amethyst

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Brilliant-cut diamond showing characteristic sparkle and fire representing April's birthstone

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April Birthstone

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Aquamarine crystal cluster on albite matrix showing blue-green colour

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Aquamarine

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Peridot (gem olivine) crystals showing characteristic lime green colour representing August's birthstone

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August Birthstone

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Precious opal from Australia showing play-of-colour on dark body

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Black Opal

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Brilliant-cut diamond viewed face-up showing the 57-facet arrangement

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Brilliant Cut

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Polished cabochon-cut precious opal showing smooth dome form typical of cabochon cutting

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Cabochon

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Chrysoberyl crystal; the cat's eye variety is cut as a cabochon to display chatoyancy

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Cat's Eye Chrysoberyl

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Chrysoberyl crystal cluster showing orthorhombic crystal habit and yellow-green colour

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Chrysoberyl

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Faceted citrine gemstone showing yellow-orange colour

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Citrine

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Tanzanite crystal showing characteristic blue-violet colour representing one of December's three birthstones

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December Birthstone

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