The Definitive Guide to the World of Color in Tourmaline Gemstones
The Definitive Guide to the World of Color in Tourmaline Gemstones
Blue – Green Tourmaline Gemstones
Oval – 1 to 5 Carats
img_0231
This oval has a fine mint color with a good medium tone value. This is augmented by being eye clean. It weighs 2.96 carats.
img_0235
his eye clean oval is noticeably on the blue side of blue green. It has fine crystal and appears to be eye clean. It has a light tone and weighs 2.07 carats.
img_0238
This minty after dinner candy is mostly blue. It has good crystal and flash, but has a slight inclusion on the edge of the girdle. It weighs1.60 carats.
img_0239
This oval appears to be eye clean and has fine crystal. It is definitely dichroic with a spicy green in the ends and a bluer middle. It is an attractive gemstone and weighs 1.06 carats.
img_0250
This oval has a flatter crown and is eye clean. It is dichoric and the final mixture is a good blue green. It weighs 1.77 carats.
img_0477
I did not buy this cuprian tourmaline as paraiba type, but it has the glow. It also has an eye clean body of find crystal with is exceptional for cuprian tourmaline. This oval weighs a beautiful 1.33 carats.
img_0490
This included bright blue green oval is not dichroic. I did not buy this stone as cuprian and it does not have the neon look. Still it has a great medium tone and is flashy. It weighs 4.97 carats.
img_0552
The oval has some inclusion at one end that can be seen with the lop, but I can not see them by eye. They have no impact on the gemstone. The darker pastel blue green color is uniform and the stone is moderately flashy. It weighs 1.02 carats.
img_0562
I like this gemstone. It has everything going for it. Threw the high stepped cut crown you peer into a uniform blue green world. The world has a great medium tone level and excellent crystal. It weighs 2.16 carats.
img_0737
img_0737
img_0737
This is a fine oval that has a medium tone level blue green color. It is slightly included and is not dichroic. It weighs 4.16 carats. Its crown has three rows of step facets.
img_0823
img_1136
This oval with flash driven color is dichroic. Its ends are a darker blue green than the middle. The dark tone values hides, its less than fine crystal and faint flaws. It weighs 1.19 carats.
img_1141
This is eye candy. The blue green oval is slightly dichroic and appears to be eye clean with fine crystal. Its medium tone level and great flash makes this 1.64 carats oval a fine candidate for a piece of jewelry.
img_1171
This oval was found to be cuprian by my spectrometer. It has a very pleasant blue green color,, but is significantly included.. The non dichroic, well saturated, blue green color has a great medium tone level. It weighs 3.86 carats.
img_1172
This oval is moderately included and has only decent crystal. Still it is bright, with a medium tone level of well saturated blue green color. It weighs 2.85 carats.
img_1184
This oval was found to be cuprian by my spectrometer. It is moderately included and has only decent crystal, but it is still bright and has a moderate tone, well saturated, blue green color. It weighs 3.42 carats.
