[Jewelry making - Article 00025] - Re: [Orchid] Cutting Gem Silica

[jlh/nlh]

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>    No, I don't mean cryptocrystaline quartz. It is also known as Quantum
>    Quattro Silica. 

    Well, sort of...............Quantum Quatro quartz is gem silica
    allright, but gem silica is not necessarily Quantum Quartz. That
    name is reserved for a material which is found only in Namibia and
    which is composed of   dioptase, shattuckite,smoky quartz and
    malachite. Gem silica is quartz with chrysocolla inclusions. 

Jerry in Kodiak

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