One of the most expensive gemstones, Alexandrite has a wide range of colors (emerald green, orange-yellow, and red) and has a tendency to change colors in different forms of light. Emerald green in daylight will change to red when exposed to incandescent light.
 

Alexandrite is the birthstone of Modern: June and Traditional: June
 
Properties of Alexandrite:
Hardness:  8.5
Specific Gravity:  3.71-3.74
Refractive Index:  1.745-1.757
Chemical Composition:  BeAl2O4
Crystal Structure:  Orthorhombic
Treatment: Generally is not enhanced
Care: Normal care should be fine
☼►26.15ct. HUGE CZOCHRALSKI ALEXANDRITE CUSHION GEM
☼►26.15ct. HUGE CZOCHRALSKI ALEXANDRITE CUSHION GEM
$9.99 (0 Bids)
Time Left: 1h 12m
0.4 ct Genuine Color Change Natural Alexandrite
0.4 ct Genuine Color Change Natural Alexandrite
$5.50 (8 Bids)
Time Left: 1h 23m
**5.75 ct. CZOCHRALSKI ALEXANDRITE 12X10MM. OVAL**
**5.75 ct. CZOCHRALSKI ALEXANDRITE 12X10MM. OVAL**
$13.11 (1 Bids)
Time Left: 1h 29m
3.0 ctw. pair of Czochralski Alexandrites 8X6MM.
3.0 ctw. pair of Czochralski Alexandrites 8X6MM.
$7.11 (0 Bids)
Time Left: 1h 29m
4.50 ctw. pair Czochralski Alexandrites  *8mm.*
4.50 ctw. pair Czochralski Alexandrites *8mm.*
$9.91 (0 Bids)
Time Left: 1h 29m
only $9  2.60 ct. pear shape Czochralski Alexandrite
only $9 2.60 ct. pear shape Czochralski Alexandrite
$9.00
Time Left: 1h 48m
8mm Lilac Alexandrite Round Loose Beads Gemstone 15''
8mm Lilac Alexandrite Round Loose Beads Gemstone 15''
$0.99 (0 Bids)
Time Left: 2h 19m
14.35Cts.AWESOME RUSSIAN COLOR CHANGE ALEXANDRITE Oval
14.35Cts.AWESOME RUSSIAN COLOR CHANGE ALEXANDRITE Oval
$0.99 (0 Bids)
Time Left: 2h 25m
28.25CTS. AMAZING ALEXANDRITE COLOR CHANGE EMERALD GEM
28.25CTS. AMAZING ALEXANDRITE COLOR CHANGE EMERALD GEM
$3.99 (0 Bids)
Time Left: 2h 56m
19thC Antique Handcrafted Natural Russian Alexandrite
19thC Antique Handcrafted Natural Russian Alexandrite
$129.99
Time Left: 3h 2m
10mm Lilac Alexandrite Round Loose Beads Gemstone 15''
10mm Lilac Alexandrite Round Loose Beads Gemstone 15''
$0.99 (0 Bids)
Time Left: 3h 15m
8MM Lilac Alexandrite Round Gemstone Loose Beads 15"
8MM Lilac Alexandrite Round Gemstone Loose Beads 15"
$0.99 (1 Bids)
Time Left: 3h 22m
4mm Purple Alexandrite Faceted Gem Loose Bead 15''
4mm Purple Alexandrite Faceted Gem Loose Bead 15''
$0.99 (0 Bids)
Time Left: 3h 53m
8mm Purple Alexandrite Round Gem Loose Bead 15''
8mm Purple Alexandrite Round Gem Loose Bead 15''
$0.99 (0 Bids)
Time Left: 4h 3m
0.20 CT NATURAL ALEXANDRITE CATS EYE GEMS (SF65 50)
0.20 CT NATURAL ALEXANDRITE CATS EYE GEMS (SF65 50)
$4.99 (0 Bids)
Time Left: 4h 10m


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