ROYAL BLUE KYANITE STONE FACETED -INDIA 1.88 CTS [S5081 ]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
Certified Gemstone

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KYANITE

This is a natural untreated stone well faceted and ready for setting.This stone is becoming more popular due to it looking like blue sapphire and Tanzite but at a much cheaper price.

Royal deep blue

Grading SI1[refer to note below]

Weight 1.88 cts app

Size 8 x 6 x 4 mm app

Kyanite, whose name derives from the Greek word kuanos sometimes referred to as "kyanos", meaning deep blue, is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites and/or sedimentary rock.

 Kyanite derives its color from the trace elements or minerals iron and titanium, similar to the ones that give the blue sapphire its color.

 Kyanite, like most gemstones, is available in all qualities: VVS, VS, SI1 and I, though VVS quality Kyanites are hard to find. The common faint natural inclusions visible to the naked eye are minute needle-like inclusions, feathers and color zoning.However as the stone is dark the inclusions arent that obivious

At present here are no treatments known that could enhance kyanite.

Kyanite's elongated, columnar crystals are usually a good first indication of the mineral, as well as its color (when the specimen is blue).

Type 1 Gemstones
The following gemstones are typically inclusion free, even minor inclusions detract from their value.
Diamond, Amethyst, Beryls(Aquamarine,Morganite), Citrine, Smoky Quartz, topaz, Chrysoberyl, Kunzite, Tanzanite, green Tourmaline, and Blue Zircon
IF Internally flawless under extreme magnification (Very rare)
F Flawless
VVS Minute inclusions under 10x; invisible to the unaided eye
VS Minor inclusions under 10x; usually invisible to the unaided eye
SI1 Noticeable inclusions under 10x; usually visible to the unaided eye
SI2 Noticeable inclusions under 10x; usually quite visible to the unaided eye
I1 prominent- moderate affect on appearance or durability
I2 prominent - severe affect on appearance or durability
I3 prominent- severe affect on beauty, transparency or durability
Type 2 Gemstones
Gemstones that normally have small inclusions that do not detract from value.
Alexandrite, Andalusite, Iolite, Peridot, Rhodolite, Ruby, Sapphire, Spinel, Tourmaline, Garnet, Amethyst, Red Zircon, Tsavorite; Blue, Orange, Purple, Fluorite.Yellow and Parti-colored Tourmaline
F Flawless
VVS Minor inclusions under 10x; usually invisible to the unaided eye
VS Noticeable inclusions under 10x; often invisible to the unaided eye
SI1 Obvious inclusions under 10x; visible to the unaided eye
SI2 Obvious inclusions under 10x; very apparent to the unaided eye
I1 prominent - moderate affect on appearance or durability
I2 prominent - severe affect on appearance or durability
I3 prominent - severe affect on beauty, transparency or durability

14h 4m 53s

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Pricing & Details

Bid Increment $1.00
Starting Bid $28.00
Auction ID 176745
Watchers 5 watching
Viewed 1,758 times
Starts 8th Dec 2016 3:02pm PST
Ends 10th Dec 2016 3:00pm PST

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