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Gemstones: Natural Opal
Quantity: 6
Total Weight: 6,68 ct.
Size: approx. 7 x 7 mm
Colour: Multi Colour
Shape: Cushion Cabochon
Origin: Ethiopia

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Pictures are taken under lamp light to see the full colours 

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Treatment and origin declarations are the opinion of the seller 

Cabochon - No Certification

6 Opal - 6.68

Gemstones

Reserve price

No reserve price

Closing date

Friday

tomorrow

Saturday

Sunday

Monday

Tuesday

14 January

Budget

From

Location

Thailand

Spain

The Netherlands

India

Germany

Israel

Singapore

Italy

Portugal

France

United Kingdom

Switzerland

United States

Belgium

Poland

Hong Kong

Canary Islands

Slovak Republic

Austria

Czech Republic

Bulgaria

Sweden

Ireland

Norway

Romania

Dimensions

Height

Width

Depth

Object

Faceted gemstone

Gemstone cabochon

Country of origin

Zambia

No origin given

Sri Lanka

Tanzania

Myanmar/Burma

Colombia

Nigeria

Ethiopia

Brazil

Africa

Madagascar

Mozambique

Afghanistan

Pakistan

Bolivia

Türkiye

Kenya

Vietnam

Cambodia

Uruguay

Asia

Stone

Emerald

Sapphire

Spinel

Tanzanite

Tourmaline

Opal

Topaz

Aquamarine

Ruby

Kunzite

Alexandrite

Garnet

Tourmaline paraiba

Peridot

Zircon

Moonstone

Tsavorite

Mixed gemstones

Amethyst

Ametrine

Cat's Eye (Chrysoberyl)

Fluorite

Morganite

Beryl

Sapphire padparadscha

Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Instituto Gemólogico Español (IGE)

Gemological Institute of America (GIA)

Bellerophon Gemlab

Lotus Gemology

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

International Jewellery & Gems Certifiers (IJGC)

Anchor Cert

Deutsche Stiftung Edelsteinforschung (DSEF)

Netherlands Gem Laboratory (NEL)

Colour

Green

Blue

Pink

Yellow

Purple

Violet

Orange

Multicolour

White

Bi-colour

Brown

Colourless

Grey

Black

Oval

Mixed cut

Cushion

Octagon

Pear

Modified brilliant cut

Emerald cut

Step cut

Faceted cut

Brilliant cut

Cabochon cut

Rectangle

Round

Heart

Square

Triangle

Modified cut

Pear shape cut

Mixed shape

Squared emerald cut

Fantasy

Shield

Fancy

Cut cornered square

Clarity

Eye clean

Slight

Loupe clean

Moderate

Heavy

Severe

Treatment

No evidence of treatment

Oiling

No heat treatment

Heat treatment

Commonly heated with no evidence of treatment

Clarity enhancement

Not specified in the report

Commonly irradiated with no evidence of treatment

Irradiation

Gemstone transparency

Transparent

Semi-transparent

Translucent

Opaque

Semi-translucent

Pearl luster

Excellent

Very good

Good

Optical effect (gemstones)

Colour change

Play of colour

Fluorescence

Opalescence

Adularescence

Asterism

Gemstones

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6 Opal - 6.68

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