1. The sunstone theory was first proposed in 1966 by the Danish archaeologist Thorkild Ramskou.

2. Rare, genuine Bytownite (others usually sell Golden Sunstone as Bytownite) * 1.0 ct = 0.2 gr ** Images were taken under open daylight or 4700K light source $ 94.00

3. Anorthite is the rarest member of the Plagioclase Feldspars of the Feldspar Group of minerals that includes Albite, Amazonite, Andesine, Anorthite, Bytownite, Hyalophane, Labradorite, Moonstone, Oligoclase, Orthoclase, Sanidine and Sunstone

4. 5 out of 5 stars (6) $ 74.95 FREE shipping Add to Favorites Golden Labradorite "FUNKY FROSTY FACETS" Bytownite Mexico Sunstone 7.69Ct Hand-Faceted Gem Grade Feldspar Moonstone Crystal Healing Pendant

5. Bytownite is a variety of Anorthite and is a rare member of the Plagioclase Series of the Feldspar Group of minerals that includes Albite, Amazonite, Andesine, Anorthite, Bytownite, Hyalophane, Labradorite, Moonstone, Oligoclase, Orthoclase, Sanidine and Sunstone

6. Bytownite is a variety of Anorthite and it is an associate that is rare of Plagioclase Series of the Feldspar number of minerals that features Albite, Amazonite, Andesine, Anorthite, Bytownite, Hyalophane, Labradorite, Moonstone, Oligoclase, Orthoclase, Sanidine, and Sunstone