Green Petrified Wood Opal | Cabochons for Setting | 14–16mm, avg 7.4ct | Per Pair | Indonesia | WO261
Green Petrified Wood Opal | Cabochons for Setting | 14–16mm, avg 7.4ct | Per Pair | Indonesia | WO261
These are a small matching pairs of opalized wood - also called petrified wood opal or opalescent wood - from Indonesia. They are so similar in color that they work naturally as a coordinated set, which is why they are being sold together rather than individually.
Petrified wood opal forms when silica-rich groundwater gradually replaces organic wood material, sometimes preserving the original grain and cell structure in opal rather than chalcedony - the result is a stone that carries genuine geological history in its pattern. Indonesian material in particular tends to show warm earthy tones alongside soft blue-greens, a color palette that reads as both natural and considered in finished jewelry. Opal carries a Mohs hardness of around 5.5 to 6.5 and can be sensitive to sudden temperature changes and prolonged dryness, so designers should avoid ultrasonic cleaning and steam, and setting styles that protect the stone at the girdle are worth considering.
DIMENSIONS
S1: 15.5mm x 8.3mm x 3mm — 6.5 ct
S2: 14mm x 10mm x 3mm — 5.8 ct
S3: 16mm x 13mm x 3mm — 9.8 ct
STONE DETAILS
Variety: Petrified Wood Opal
Also Known As: Opalized Wood, Opalescent Wood, Wood Opal, Opalized Petrified Wood
Species: Opal
Origin: Indonesia
Cut: Square, Cabochon
Treatment: None
Hardness: 5.5 – 6.5 Mohs
RI: 1.370 – 1.470
Sold as: Per Pair
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