Andalusite 12x6mm. Carved Marquise Shape "AB" Grade 9 Inch Bead Layouts ITEM#4825-24124 PRODUCT DETAILS    Stone/Shape: --    Stone/Color: --    Bead Cut: Carved    Size: 12x6mm.  Approx    Weight (pcs.): 35.42 carat. Approx    Origin: Brazil    Color: AA    Clarity: SI (Slight Inclusions)    Treatment: None    Length: 9 Inch    Overall Grade: "AB" Price per layout. 2 - 3 4 - 7 8 - 15 16+ $31.61 $26.87 $24.18 $21.76

Andalusite 12x6mm. Carved Marquise Shape "AB" Grade 9 Inch Bead Layouts 20 % off

 

Price
$31.61 PER layout.

Andalusite 8x5mm. Pears Shape "AAA" Color Calibrated Gems ITEM#4825-29847 PRODUCT DETAILS    Stone/Shape: --    Stone/Color: --    Cut: Regular    Size: 8x5mm.  Approx    Weight (pcs.): 0.88 carat. Approx    Origin: Brazil    Color: AAA    Clarity: VSI (Very Slight Inclusions)    Treatment: None Price per piece. $13.86

Andalusite 8x5mm. Pears Shape "AAA" Color Calibrated Gems 20 % off

 

Price
$13.86 PER piece.

Andalusite 9x6mm. to 11x6mm. Pears Shape "AAA" Color Super Bargain Gems ITEM#4825-29843 PRODUCT DETAILS    Stone/Shape: --    Stone/Color: --    Cut: Regular    Size: 9x6 to 11x6mm.  Approx    Origin: Brazil    Color: AAA    Clarity: EC (Eye Clean)    Treatment: None Price per carat. $13.13

Andalusite 9x6mm. to 11x6mm. Pears Shape "AAA" Color Super Bargain Gems 20 % off

Price
$13.13 PER carat.

Andalusite 10x5mm. Carved Marquise Shape "AB" Grade 9 Inch Bead Layouts ITEM#4825-24123 PRODUCT DETAILS    Stone/Shape: --    Stone/Color: --    Bead Cut: Carved    Size: 10x5mm.  Approx    Weight (pcs.): 26.96 carat. Approx    Origin: Brazil    Color: AA    Clarity: SI (Slight Inclusions)    Treatment: None    Length: 9 Inch    Overall Grade: "AB" Price per layout. $24.06

Andalusite 10x5mm. Carved Marquise Shape "AB" Grade 9 Inch Bead Layouts 20 % off

 

Price
$24.06 PER layout.

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

Andalusite is pleochroic, i.e. it shows different colours in different directions. When cutting most pleochroic gemstones, such as iolite and tanzanite, the trick is to minimise the pleochroism and maximise the single best colour. With andalusite the opposite applies: cutters try to orient the gem to get a pleasing mix of colours: orange-brown and a yellowish green or gold.

When they succeed, andalusite looks quite unlike any other gemstone, 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.

In the past andalusite was sometimes called "poor man's alexandrite" because it offers colour play at a low price, but in fact it does not actually bear much resemblance to alexandrite, which changes from green to red in different light. In fact it is not really a colour-change stone at all because the colours are present at the same time.

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

Color: strongly pleochroic, reddish brown, pink / yellowish green
Hardness: 7 – 7.5
Refractive index: 1.63 – 1.65
Density: 3.13 – 3.21
Chemical composition: Al2SiO5
Crystal structure: orthorhombic
Luster: vitreous, greasy
Origins: Spain, Brazil, USA, Sri Lanka, Burma.

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