Deeply cut medium pastel green round.#1111

deeply cut minty blue green round This smaller round is deeply cut, which enhances its medium light tone value. The eye clean stone which has fine crystal is very bright and flashy. It weighs 1.21 carats.

This delightful gemstone owes much of its interest to the increased depth and bright flash created by a different cut, than the standard round brilliant.  This cut consists of eight horizontally split mains for a pavilion and a modified two row step cut on the crown.  I modify the crown’s  step cut by putting a lower angle facet between each of the eight mains that levels the girdle and reaches about one half of the way across the top row of the step cut.  It does not reach the table.  I use this combination of crown and pavilion only on rough that has a light enough tone level to benefit from the great depth of the stone and not to just try and retain weight.  This is because the standard round brilliant has a great variety of commercial settings that can be easily used with them, while the modified brilliant would  require a custom designed setting.  Also the standard round brilliant cut, when made with the proper culet angles, produces the thinnest round gemstones possible with good optics and that is essential to the optimal beauty of many tourmalines.

Light minty blue green color and a crisp full fledged flash fill this deeply cut gemstone.  It appears to be eye clean and has fine crystal.  Its medium light tone value is enhanced by the cut I described about.   This stone is an all around success story as I see it.  It weighs 1.21 carats.

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.

This entry was posted in Cutting Tourmaline, Verdelite and tagged , , , . Bookmark the permalink.

Leave a Reply