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fossil opals

1.08CTS YABBY BUTTON OPALISEDFOSSIL CRAYFISH GASTROLITH FO-788 ///

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Details
SKU
FO-788
Dimensions (mm)
7.7 x 7.5 x 3.8mm
Weight (cts)
1.08
Shape
Freeform
Type
Specimen
Colours
Description

OPALISED YABBY BUTTON

LIGHTNING RIDGE, AUSTRALIA

BLACK OPAL FIELDS

CRAYFISH GASTROLITH

RARE -OPALISED FOSSIL

Known as “fish-eyes” to the miners at Lightning Ridge, where they are common throughout the fields. They range from a few millimetres up to in diameter, indicating yabbies up to in length.

CRAYFISH USES GASTROLITHS TO STORE CALCIUM FROM THEIR SHELL,BEFORE THEIR MOULT,THEN THEY RELEASE THE CALCIUM TO HARDEN THEIR NEW PROTECTIVE COATING

OVER 100 MILLION YEARS OLD

TRADING AS TRUEBLUEOPALS / LIGHTNINGOPALS LLC

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FedEx New Zealand
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Express Shipping Peru
7 days
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FedEx Peru
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Express Shipping Poland
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FedEx Poland
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7 days
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1.08CTS YABBY BUTTON OPALISEDFOSSIL CRAYFISH GASTROLITH FO-788 ///

fossil opals
Qld, Australia
Owned by fossil opals
Verified
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Shipping Details

Costs:
Transit:
14 days via DHL
Capped at:
Ships from:
Australia

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Overview

Listing Type : Standard
Product ID : 1593539
Starts : 19th March 2026 09:25 pm PDT
* All prices are in USD

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