108 Ct. Boulder Opal - Koroit, Australia - 52 x 28.6 mm

108 Ct. Boulder Opal - Koroit, Australia - 52 x 28.6 mm

Shipping to United States: Free
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*** Gorgeous Colors!
*** Drillable Front To Back - No Charge To Drill...
Origin: Koroit Field; Queensland; Australia....
Appx. Size: 52 x 28.6 mm - 8.5 mm Thick...
Appx. Weight: 108 ct...

*** Natural Boulder Matrix Opals Sometimes Have Pits And Sandy Spots...
*** Solid, Natural, Untreated, Mined Opal...NO Doublets or Triplets.....

*** All My Pictures Are Taken In Direct Sunlight - No Photoshop.....

*** All Stones Are Cut & Polished By Me, Unless Noted.....
*** Some Common Opal Terminology ***

Directional Stone - Colors Flash With Stone Held At Certain Angles
Contra-Luz Colors - Needs Light From The Side, Or From Behind To Show Color Play
Hydrophane - Stone Will Absorb Water, Usually Going Clear When Wet
Natural - 100% Mined, Untreated, Unassembled
Return Any Stone, For Any Reason, I Give 100% Refund!
I want you to LOVE my opals!


I don't use payment deadlines; need time to pay? Let me know; I believe in lots of communication.........

Shipping from United States

Domestic First Class is FREE - Insured, with delivery confirmation.....
You may combine as many items as you like into one shipment, just let me know before paying so I can combine them......

If you are not on my ship-to list of countries, contact me and maybe we can make an exception...

Returns & Exchanges

I gladly accept returns, exchanges, and cancellations

Just contact me within: 14 days of delivery

Ship items back to me within: 30 days of delivery

Request a cancellation within: 24 hours of purchase

But please contact me if you have any problems with your order.

Questions about your order?

Please contact me if you have any problems with your order.

Returns and exchange details

No matter how good the pictures and description are, sometimes the stone is just not what you want once it is in your hand....NO PROBLEM!
If you don't like any stone, for any reason, I give a 100% full refund...
I insist on having happy buyers!

Reviews (1)


This is absolutely beautiful. Worth every penny. My girlfriend make her own jewelry and she is going to love this for Christmas.