• Spodumene: Spodumene mineral information and

    <M>Pyroxene Group</M><M>Clinopyroxene Subgroup</M>. Spodumene is worked as an ore of lithium, but it is most highly prized as a gem materialthe varieties Kunzite (pink) and Hiddenite (green) are especially sought after.

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  • Wulfenite: Wulfenite mineral information and data.

    <m>Stolzite Wulfenite Series</m>. A secondary mineral typically found as thin tabular crystals with a bright orange red, yellow orange, yellow or yellowish grey colour in the oxidised zones of hydrothermal lead deposits.

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  • Excalibur Mineral CorporationRecent List

    This is a selection from several of our recent catalogs with full descriptions. For the latest lists, see our Current Catalog page; ourRare Species pages provide an alphabetical and locality list of offerings from the past several years only.

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