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Natural, free cut Australian crystal opal. 
Fantastic fire of greens, blue and gold with exceptional color play all around. 
Originally mined from the outback opal town of Andamooka, Australia. 
A wonderful gemstone for any collection. 

181-O-C-F 

Dimension - 18.9 x 7.5 x 2.7 mm 

Weight - 2.60 ct 

Clarity - Opaque

** All photos contain unedited color and were taken under a standard 40w household lamp.

2.60 ct. Wonderful fire.

Australian Precious Opal

Gemstones

Reserve price

No reserve price

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Closing date

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

Sri Lanka

Brazil

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Africa

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No origin given

Tajikistan

Material

Spinel

Opal

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Apatite

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Stone

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Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Certified gemologist report

No laboratory report

Instituto Gemólogico Español (IGE)

Lotus Gemology

Gemological Institute of America (GIA)

Asian Institute of Gemological Sciences (AIGS)

Bellerophon Gemlab

ALGT (B)

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

International Colored Gemstone Association (ICA GemLab)

Gemewizard Gemological Laboratory (GWLab)

Certified Gemologist

IGE (Madrid)

GEM-TECH Istituto Gemmologico

Netherlands Gem Laboratory (NEL)

AIGS (Thailand)

International Jewellery & Gems Certifiers (IJGC)

Istituto Gemmologico Italiano (IGI)

Lotus (Thailand)

Colour

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Clarity

Eye clean

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Commonly heated with no evidence of treatment

No Reserve Price Blue, Violet Tanzanite  - 30.97 ct - International Gemological Institute (IGI)

Ethiopia - No heat treatment

No Reserve Price Yellow Opal  - 16.64 ct - International Gemological Institute (IGI) - [Rare Patterns]

No heat treatment

No Reserve Price Grey Opal  - 11.96 ct - International Gemological Institute (IGI) - NATURAL OPAL

Not specified in the report

No Reserve Price Opal  - 7.80 ct - International Gemological Institute (IGI)

Ethiopia - No evidence of treatment

No Reserve Price White Opal  - 6.84 ct - International Gemological Institute (IGI) - Aurora Rainbow Flash

Zambia - Oiling

6 pcs  Emerald  - 2.14 ct - Certified gemologist report

Opal  - 1.99 ct - Certified gemologist report

No Reserve Price Green, Purple, Yellow Diaspore  - 3.24 ct - International Gemological Institute (IGI) - NATURAL DIASPORE

Gemstones

This object is no longer available, but there’s still lots to explore

Australian Precious Opal

2263 objects

Related collections

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Gemstones

This object is no longer available, but there’s still lots to explore

Australian Precious Opal

2263 objects

Related collections