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 Home / Gem Library / Natural Gemstones / Andalusite November 22, 2017  


Natural Andalusite
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There are 36 Andalusite(s) available at Multicolour.com


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.


Known Facts
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.

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.


Illustrations
Andalusite
Check our Top, Largest, Smallest or Latest Andalusite's.


Andalusite Stats/
Popularity Index: 1549476hits
Total Items: 36items
Total Weight: CTS 145.10
Cheapest: USD 38.25
Most Expensive: USD 678.24
Largest: CTS 18.28
Smallest: CTS 0.56
Last Added: 11/06/17 07:24:02

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