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Facts and figures about Andalusite.



Andalusite: Cognac Cocktail

Andalusite is named after Andalusia, the province of Spain where it was first discovered.


Andalusite is pleochroic, different colours in different directions. When cutting most pleochroic gemstones, such as iolite and tanzanite, the trick is to minimize the pleochroism and maximize the single best colour. Andalusite is the opposite: cutters try to orient the gem to get a pleasing mix of colours: orangey brown and a yellowish green or gold.


When they succeed, Andalusite looks unlike any other gemstones, with patterns of colour dancing around the facets. The best colour play is seen in fancy shapes, particularly rectangular cushion shapes: in round cuts, the colours blend together.


Andalusite is mined in Brazil and Sri Lanka.


In the past Andalusite was sometimes called "poor man's alexandrite" because it offers colour play at a low price. But Andalusite really doesn't look much like alexandrite, which changes from green to red in different light. It is not really a colour change stone at all because the colours are there at the same time.


That should not diminish its appeal, especially for those who like earth tones. Andalusite offers a lot of impact for a relatively low price. Because of its colour and its durability, it is especially appropriate for men's jewellery.





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