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Home / Gem Library / Gemstones Varieties / Andalusite December 05, 2024

Natural Andalusite

Andalusite is best known for its strong pleochroism and it's unusual color which is frequently a mixture of both red and green. It isn't considered to be a color change stone but it frequently shows two colors, (red and green) at the same time. Rough crystals will often show green in one direction and red in another. The color is difficult to match on any any standard color chart.


  • There are 18 Andalusite gemstones available at Multicolour.com
  • Andalusite(s) are organized in the following categories: CloseoutMixed LotSingle,  gemstones.
  • Our most expensive Andalusite is USD 522.72 and largest Andalusite weight is CTS 18.28.
  • Our cheapest Andalusite is USD 43.00 and smallest Andalusite weight is CTS 0.59.

Find your Andalusite

Our Andalusite(s) are available in various shapes, sizes and colors. 18 Andalusite(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.

Color range
red-orange or orange-red
orangy yellow
orange
yellow
yellowish orange
yellow-green or green-yellow





Andalusite Profile

Refractive Index: 1.628 - 1.647
Chemical Composition: Al2SiO5
Hardness: 7 - 7.5
Density: 3.13 - 3.21
Crystal Group: Orthorhombic
Ocurrence: Brazil, Sri Lanka, Spain, East Africa, Burma, U.S.A.
Sign of the Zodiac: N/A
Month of the year: N/A
Andalusite
Andalusite is popular as a collector stone but is seldom used in jewelry probably because of it's unavailability. With a hardness of 7 - 7.5 andalusite is tough enough to be used in jewelry. Andalusite, especially in the rough, can easily be confused with alexandrite because of similarities in color.

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Andalusite range/
Andalusite Single
Andalusite Single Marquise Eye clean
Size: 16.20 X 8.10 MM
Weight: 3.420 CTS
Shape: Marquise
Clarity: Eye clean
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 522.72
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Andalusite Single
Andalusite Single Rectangle Slightly included
Size: 7.90 X 4.90 MM
Weight: 0.830 CTS
Shape: Rectangle
Clarity: Slightly included
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 43.00
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Gem Library/
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Understanding Gemstones Understanding Gemstones
Learn about Physical and Optical properties, color, clarity and cut of gemstones.
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Ever wonder what are "Blemish", "Luster", "Saturation" "Uniformity" or "Mine Run" means?
Reference and  Links Reference and Links
Recommended books and links to Gem, Jewelry&Mineral Magazines, Gem Institutes and Labs.

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