Natural Bytownite - Omit

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Natural Bytownite - Omit

50.00

Bytownite (Sodium calcium aluminum silicate.), form of feldspar, very light yellow to clear, several inclusions can be seen; therefore, price reflects these imperfections.

From Gemdat.org "A rare form of Feldspar, comprises 10-30% Albite and 70-90% Anorthite feldspar. Some of the stones have a distinct resemblance to Andalusite."

-- Color: pale yellow with silvery streaks (inclusions) NOTE: 2 flaws on the pavilion can be seen by the naked eye, see last 2 photos which are viewed through a 10x loupe  ... price is discounted for these flaws.

-- 10.67mm octagon x 10.69mm x 10.60mm x 7.86mm height, 5.27 cts

-- Omit (facet design by Jeff Graham) - 37 facets

-- MOHS: 6.0 - 6.5

-- RI 1.561 - 1.583

-- Origin location: Mexico

-- Treatment: None

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