Who needs diamonds when there are gems like these out there?? (Sapphire, antique cushion cut.)
The demantoid is one of the most brilliant gemstones that exist, yet until recently it was little known except among collectors and gemstone lovers. Strictly speaking it is a green garnet, or rather the star of the green garnets.
Awesome rare earth mineral collection Note: Bismuth is manmade but still intriguing to look at.
It has been more than 100 years since opal was found in Oregon
8.14ct pure purple tourmaline
06043 - 2.43ct red/orange Sapphire - Ceylon 8.21 x 6.80 x 4.78 mm, clean, nice cut, unheated, $1650 shipped
1921 chart of precious and semi-precious gemstones in the Morgan-Tiffany Collection of the American Museum of Natural History, and the collection of Tiffany & Co., selected by George F. Kunz.