Building "Be"-tter? Sapphires

Article Abstract:

Secondary ion mass spectrometry (SIMS), a sophisticated test to determine the nature of trace elements, has found traces of beryllium (Be), a coloring agent that does not normally occur in sapphires, in only 10 to 35 parts per million. Colored Stone reported in the spring of 2003 that prices for the new orange stones, which started at $150 to $200 per carat, dropped sharply to $50 per carat when news of the diffusion treatment came out.

Varieties, Decoration and finishing, Sapphires, Heat treatment (Gems)

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Buying abroad

Article Abstract:

Ten tips to enable buyers to purchase gemstones overseas with confidence that would be treasured throughout the life, are presented. Some of the tips include knowledge of the country and the gems that are found there, asking questions about the stone and bargaining to try and get a better price.

All Other Nonmetallic Mineral Mining, Misc Gems, Buyers Guide, Hardware buyers' guide, Gems, Precious stones

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Open a window

Article Abstract:

Julie Clinton and Will Stokes, who run Blue Flame Studios, describe learrning to make glass beads by a trial-and-error process at the Pilchuck Glass School. They research historical methods of bead making to find new challenges for their work.

Interview, Design and construction, Glass beads, Beads (Materials), Clinton, Julie, Stokes, Will

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