Moderate Dichroism in Green Oval#241

Pretty well displayed dichroic colors in green oval This green oval has a dynamic color display due to well displayed dichroic colors. It is clean except for a few inclusions close to the girdle. It weighs 2.83 carats.

This gemstones gains quit a bit from its dichroism.  This because its tone in the ends of the oval are quit moderate and the overall stone shows the two colors well.  The typical c axis color is yellower with the a/b axis color being bluer green as it is here.  It appears to be eye clean except for some inclusions very close to the girdle.  The crystal is excellent and it weighs 2.83 carats.


About Bruce Fry

I was born in Summit, NJ in 1947 and graduated from Summit High School in 1966. I graduated from the Colorado School of Mines in 1970 and after spending another year in graduate school, I left to see the world of Brazil. After spending some more time discovering myself, I ended up working for the Commonwealth of Pennsylvania for 32 years as an Air Quality Engineer in the Department of Environmental Protection. I retired in 2007 and took up faceting gemstones again after a long hiatus that reached back to my twenties. I had started cutting cabochons when I was 13 and bought my first faceting machine when I was 15, but ran out of money and time until I retired. My great love in gemology is tourmaline and the collection presented here represents my effort to get as much beauty and variety in the colors of tourmaline as I can. I was particularly lucky in being able to get unheated cuprian tourmaline before copper was discovered in gem grade tourmaline from Mozambique.
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