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Boulder Opal, from Australia (REF:BO2)
£ 202.50
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Boulder Opal, from Australia (REF:BO2)Boulder Opal, from Australia
Unprepared Rough Piece

Measurements Approx.
Height - 9.8 cm
Width - 6 cm
Length - 12.5 cm

Forming in a great variety of forms, including massive (large pieces) botryoidal (grape-shaped) reniform (kidney-shaped) and stalactitic. Though unlike most other minerals, Opal never really forms crystals 

Boulder Opal is found in Queensland, Australia and forms in cracks or coatings in and around ironstone/sandstone boulders. 


 

 

 

 

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