Boulder Opal - C Grade - Rough


Price per: Gram
Price:
Sale price$1.00 USD

Description

Origin: Australia 

Description: As far as opal goes, this is mostly the iron stone host rock, hence C Grade. There are definitely opal areas, but they are all small, and no runs. The host rock is very stable, and the material workable... but not a lot of flash will come of it.

Chemical Composition: SiO2

Grade: Semi Precious
Appearance: Translucent/ Opaque
Inclusions: A lot of matrix.

Approximate size of 1 pc: 7.5cm x 5.5cm x 1.5cm
Approximate weight of 1 pc: 120g

Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.

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