9.35 CTS VVS AMETRINE STONE [S6420]

Informations sur l'élément

Dimensions (mm) 15 x 11 x 7mm
Poids (carats) non fourni
Couleurs
Certified Gemstone
Traitement...

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MEMBER OF iNTERNATIONAL COLOURED ASSOCIATION COMMITED TO FULL DISCLOSURE OF STONES WITH A MONEY BACK GUARANTEE.

 

AMETRINE

 

This is a natural -un heated stone from Boliva.This rough was from the miner Joe Rudd who is credited with naming the stone "Ametrine "The mine closed down years ago and this is the last of the rough. These stones show differing amounts of citrine and amethyst (as opposed to the 50/50 mix commonly seen in synthetic stones). Beautiful cut.

Grade VVS

Emerald cut

Weight 9.35 cts app

Size 15 x 11 x 7.2 mm app

Cut by a master cutter in Brazil.

The citrine flows through the stone.

Sometimes amethyst and citrine colours are found in the same crystal of quartz. These bicolour yellow and purple quartz gemstones are called ametrine.

Ametrine is most typically faceted in a rectangular shape with a 50/50 pairing of amethyst and citrine. Sometimes a checkerboard pattern of facets is added to the top to increase light reflection. Ametrine can also be cut to blend the two colours so that the result is a mixture of yellow, purple, and peach tones throughout the stone.

 

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)

sedagems's Logo 

MEMBER OF iNTERNATIONAL COLOURED ASSOCIATION COMMITED TO FULL DISCLOSURE OF STONES WITH A MONEY BACK GUARANTEE.

 

AMETRINE

 

This is a natural -un heated stone from Boliva.This rough was from the miner Joe Rudd who is credited with naming the stone "Ametrine "The mine closed down years ago and this is the last of the rough. These stones show differing amounts of citrine and amethyst (as opposed to the 50/50 mix commonly seen in synthetic stones). Beautiful cut.

Grade VVS

Emerald cut

Weight 9.35 cts app

Size 15 x 11 x 7.2 mm app

Cut by a master cutter in Brazil.

The citrine flows through the stone.

Sometimes amethyst and citrine colours are found in the same crystal of quartz. These bicolour yellow and purple quartz gemstones are called ametrine.

Ametrine is most typically faceted in a rectangular shape with a 50/50 pairing of amethyst and citrine. Sometimes a checkerboard pattern of facets is added to the top to increase light reflection. Ametrine can also be cut to blend the two colours so that the result is a mixture of yellow, purple, and peach tones throughout the stone.

 

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)

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Incrément d'enchère $1
Enchère de départ $92
ID d'enchère 259373
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Vu 2,117 fois
Départs 20th Mar 2021 9:00pm PDT
Prend fin 24th Mar 2021 2:51pm PDT

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