Very bright bronze and green, dichroic, emerald cut.#402

Bright completely open dichroic green and bronze emerald cut.  #417 This emerald cut is bright and flashy. Both the green ends and the bronze sides are completely open and appear to be eye clean and with fine crystal. It weighs 1.13 carats.

The posted stone, emerald cut, 1.13 carats.

Dichroic, pie slices of golden green and green round.  #173 This standard round brilliant was cut with its table parallel to the c axis and that produces alternate areas of the dichroic golden and green colors. This round appears to be eye clean and weighs .83 carats.

Older cut stone, round, .83 carats  Same material.

I like a stone like this very bright emerald cut.  It has a very good green c axis color and a more muted bronze a/b axis.  The interplay of the green ends and bronze sides of the emerald cut makes for more interest in the stone than if they were mixed together.  The gemstone appears to be eye clean and with fine crystal.  It weighs 1.13 carats.

When I started faceting again after a long hiatus, I bought some rough, that was identical to the rough that produced this emerald cut.  The dealer had sliced the nodules so the very good green axis dominated the color of the rough.  I didn’t realized it at that time what he was up to and really how to deal with dichroic color,  but I did question him.  After not getting a very good answer, I cut the rough into rounds.  They are OK, but this emerald cut shows the material has much more potential.

Bruce

 

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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