• Journal of weekly news and commentaries about rocks

    lc John BettsFine Minerals, New York, NY Dealers of Fine Minerals and Natural Crystal Clusters since 1989. Journal of weekly news and commentaries about rocks and minerals and mineral collecting

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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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  • In the Beginning: Compelling Evidence for Creation

    Figure 220: Sea of Neutrons. Piezoelectric voltages were produced by compressive and tensile stresses in the fluttering crust acting on trillions upon trillions of quartz crystals.

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  • Our Service

    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.