Moonstone (Orthoclase) Gemstones

  • Hardness

    6.0 on the Mohs scale.

  • Occurrence

    Sri Lanka (Ceylon), Myanmar (Burma), Madagascar, Germany, India, Tanzania, Brazil, United States, Mexico.

  • Appearance

    Moonstone is opalescent, with a blue or white scheen, sometimes called "schiller", resembling moonshine. Composed of albite and orthoclase feldspar, the albite gives it the bluish color. Pearl, moonstone and alexandrite are the birthstones of the month of June.

  • Enhancements

    Moonstone is not enhanced.

    More information on gemstone enhancements.

  • Gemstone Family

    Moonstone is a member of the Orthoclase gemstone family.

Moonstone Varieties
Moonstone Varieties

Moonstone
Moonstone

MON241
MON241
0.24 ct. total
3.0mm Cabochon, Round Cut
Colorless
Translucent
[N] Not enhanced.
Quantity Available: 4 pairs
Moonstone

Calibrated Moonstone
Calibrated Moonstone

Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.

  • AA Milky, transparent to opaque, medium dome.

Moonstone Quality AA
Shape Size Avg. Weight Price Each
3mm
0.17 ct.
4mm
0.60 ct.
5mm
0.48 ct.
6mm
0.93 ct.
8mm
2.00 ct.
10mm
3.69 ct.
12mm
7.02 ct.
14mm
11.38 ct.
 
  AA
6x4mm
0.44 ct.
7x5mm
0.80 ct.
8x6mm
1.21 ct.
10x8mm
2.59 ct.
12x10mm
4.58 ct.
14x10mm
5.32 ct.
16x12mm
7.59 ct.
18x13mm
10.01 ct.