High Quality Ethiopian Opal AAA Loose Stone Rectangle Faceted 7x5mm 5pcs
Opal Loose stones Not for sale

High Quality Ethiopian Opal AAA Loose Stone Rectangle Faceted 7x5mm 5pcs

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Colors in the main photo: WhiteOrangeGreenBlue Read from the main photo’s appearance; not a material identification.

Material

Opal

Treatment disclosure

The source did not state any treatment. This does not confirm the stone is untreated.

Specifications

SizeApprox 7x5x3-3.5mm(+/-0.5mm)
ColorWhite Clear
About this stone: Opal

Opal is hydrated silica (SiO₂·nH₂O) that can contain up to about 20% water. It forms when silica-bearing water seeps into cracks in rock and evaporates, leaving silica deposits. Precious opal shows play-of-color, flashes of rainbow colors caused by tiny stacked silica spheres diffracting light; common opal does not.

Read the stone guide