7.50 CTS VS PARCEL RICH AMETHYST BRIOLETTES [SB]

491

存货单位: TS9167
尺寸（毫米）: 16.000 x 12.000 x 5.000mm
重量 (cts): 7.500
颜色

AMETHYST BRIOLETTES

BIRTH STONE FOR FEBURARY

RICH PURPLE COLOUR

Natural stones-Untreated

Mined in Brazil

Grading VS

Mohs scale 7

Weight CTS APPROX

Size 8 x 8 x 10 MM APPROX.

Amethyst is a purple form of quartz and it is the Birthstone associated with February..Amethyst occurs in primary hues from a light slightly-pinkish violet to a deep grape purple. Amethyst may exhibit one or both secondary hues, red and/or blue. The ideal grade is called "Deep Siberian" and has a primary purple hue of around 75–80 percent, 15–20 percent blue and (depending on the light source) red secondary hues

SEDAGEMS IS A MEMBER OF THE INTERNATIONAL COLOURED STONE ASSOCIATION.

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

6 mm = 1/4 inch (Approx)

存货单位: TS9167
尺寸（毫米）: 16.000 x 12.000 x 5.000 mm
重量 (cts): 7.500
颜色