Journal of weekly news and commentaries about rocks and ...

Collection of weekly news and commentaries from John Betts, lecturer, author, photographer, mineral collector, and mineral dealer. Practical everyday advice for mineral collectors on building and organizing mineral collections.

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Crosstech Dental Carbide & Diamond Burs Crosstech Diamond ...

Cross tech manufacture Dental Diamond Burs with the latest New Generation of Pioneering Technological Mono and Polycrystalline Diamond Plating and CVD Bonding Process, that prevents Diamond Grits from flaking off much faster, loosening or being extracted off easily from the steel Bur Shank, during Surgical Operation.

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