Opal Doublet Gemstones

  • Hardness

    5.5 - 6.5 on the Mohs scale.

  • Occurrence

    Australia, former Czechoslovakia, U.S., Brazil, Mexico and southern Africa. Opal and tourmaline are the birthstones of the month of October.

  • Appearance

    Opal doublets and triplets are thin slices of opal which are bonded to a matrix and sometimes covered with a quartz top (triplets).

  • Enhancements

    Opal is rarely impregnated with colorless oil, wax and resins. Triplets are covered with colorless quartz.

    More information on gemstone enhancements.

  • Gemstone Family

    Opal Doublet is a member of the Opal gemstone family.

Opal Doublet
Opal Doublet

OPL598
OPL598
 1.88 ct.
14.5x5.6mm Cabochon, Irregular Cut
Medium
Vivid Blue
Opaque
[A] Not normally enhanced.
One of a kind.
With lighter blue fire.
Opal Doublet Opal

OPL572
OPL572
 1.12 ct.
9.1x7.0mm Irregular Shape
Medium
Strong Blue
Opaque
[N] Not enhanced.
One of a kind.
With areas of darker blue.
Opal Doublet Opal

OPL576
OPL576
 1.71 ct.
9.5x8.5mm Irregular Shape
Medium
Strong Blue
Opaque
[N] Not enhanced.
One of a kind.
With areas of white and darker blue and green fire.
Opal Doublet Opal

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