What's behind the price differences in artisan, gemstone jewelry? Without an expert's eye, you may look at similar pieces of jewelry and wonder why one costs so much more than the other. The pricing of...
CITRINE (lemon stone), the yellow and orange variety of quartz VARIETY INFORMATION:VARIETY OF: Quartz , SiO 2 . USES: Gemstone and ornamental stone. BIRTHSTONE FOR: November COLOR: various shades of yellow and...
AMETHYST, the purple variety of quartz VARIETY INFORMATION:Variety of: Quartz , SiO2 . Uses: Gemstones and ornamental stones. Birthstone for: February Color: various shades of purple. Index of refraction:...