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Natural Moonstone

Moonstone is the most well known variety of orthoclase feldspar. It characteristically exhibits a milky floating blue light known as adularescence or the schiller effect. This lovely sheen is due to a combination of orthoclase and albite arranged in layers. Light reflected from the layers if they are not too thick is responsible for the unusual optical properties.


  • There are 43 Moonstone gemstones available at Multicolour.com
  • Moonstone(s) are organized in the following categories: CalibratedPairSingle,  gemstones.
  • Our most expensive Moonstone is USD 788.40 and largest Moonstone weight is CTS 39.42.
  • Our cheapest Moonstone is USD 1.08 and smallest Moonstone weight is CTS 0.08.

Find your Moonstone

Our Moonstone(s) are available in various shapes, sizes and colors. 43 Moonstone(s), too many to look through? You may select any combination of search options. Colors grade into each other and you can search for more than one color at once. For a better selection, try selecting two or three colors, -- your first choice plus the two closest colors.

Shape Length (mm) Width (mm)
Category Weight (cts) Price (USD)
Color range
orange
yellow
yellowish orange
green
orangy yellow

Moonstone Profile

Color information: white, blueish white.
Refractive Index: 1.518 1.526
Chemical Composition: KalSI3O8
Hardness: 6 6.50
Density: 2.55 2.57
Crystal Group: Monoclinic
Ocurrence: Sri Lanka, India, Madagascar, Burma, Tanzania, U.S.A.
Sign of the Zodiac: N/A
Month of the year: N/A
Moonstone Moonstone Moonstone Moonstone
Moonstone is usually fashioned en cabochon with the blue colors commanding higher prices.

A new kind of moonstone has also been recently discovered in Tanzania. Potassium-feldspar (K-feldspar) alcali feldspar, or moonstone with weak asterism, the stones exhibit cat's eyes with a weaker ray perpendicular to the eye producing a four ray star in some specimens. We call it "sunstar".

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Finest gems/
Grandidierite Rough
From our finest gemstones collection
Grandidierite Rough N/A Translucent
Size: 19.60 X 7.90 MM
Weight: 11.970 CTS
Clarity: Translucent
Usually ships within 24 hours
OUR PRICE
USD 120000.00
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Deal of the Day/
Chrome Tourmaline Single
limited time offer, ref# YCH103ad
Chrome Tourmaline Single Oval Slightly included
Size: 8.10 X 6.30 MM
Weight: 1.350 CTS
Shape: Oval
Clarity: Slightly included
Usually ships within 24 hours
10 % OFF, YOU SAVE 18.20 USD
NOW ONLY
USD 163.80
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Today’s Trade/
Best Selling Gems:
Sapphire Sapphire
1473 Sapphire ’s available
Browse gems | Learn More
Spinel Spinel
367 Spinel ’s available
Browse gems | Learn More
Tanzanite Tanzanite
441 Tanzanite ’s available
Browse gems | Learn More
Alexandrite Alexandrite
301 Alexandrite ’s available
Browse gems | Learn More
Zircon Zircon
257 Zircon ’s available
Browse gems | Learn More
Gemstone Variety: Hits Index
Going Down Amber -14347 -0.6%
average price USD 177.84 per item
Going Down Sapphire -5832 -0.4%
average price USD 348.04 per item
Going Up Alexandrite +519 +0.1%
average price USD 1641.70 per item
Going Down Color Change Garnet -411 -0.3%
average price USD 736.55 per item
Going Down Anatase -8041 -5.2%
average price USD 185.71 per item
See more real time gem reports.
Exchange rates to USD
Canada Dollars 1.343
Euro 1.012
United Kingdom Pounds 0.883
Japan Yen 140.813
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Gem Library /
Gems Legend and  Lore This month birthstone: Tourmaline
More from the Gem Library about Birthstones.
Libra Libra
September 23 – October 22
Cardinal Sign. Libra is artistic and harmonious. Your zodiac stone...more

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