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
16.50ct.NICE TRILLION COLOR CHANGE ALEXANDRITE
16.50ct.NICE TRILLION COLOR CHANGE ALEXANDRITE
$5.99 (0 Bids)
Time Left: 26m
Huge!19.50ctDazzling Lab Russia ColorChange Alexandrite
Huge!19.50ctDazzling Lab Russia ColorChange Alexandrite
$16.87
Time Left: 35m
Nice!10.40ctCzochralski Lab Colorchange Alexandrite Gem
Nice!10.40ctCzochralski Lab Colorchange Alexandrite Gem
$14.89
Time Left: 35m
Fine!10ctAwesome Russian Lab ColorChange Alexandrite@Nr
Fine!10ctAwesome Russian Lab ColorChange Alexandrite@Nr
$12.50
Time Left: 35m
22.85ct.NICE CUSHION COLOR CHANGE ALEXANDRITE
22.85ct.NICE CUSHION COLOR CHANGE ALEXANDRITE
$6.99 (0 Bids)
Time Left: 48m
8mm Faceted Lilac Alexandrite Round Loose Beads 15''
8mm Faceted Lilac Alexandrite Round Loose Beads 15''
$3.31 (3 Bids)
Time Left: 1h 53m
3 CT NR!! BLUE GREEN CHANGE PURPLE ALEXANDRITE NR101245
3 CT NR!! BLUE GREEN CHANGE PURPLE ALEXANDRITE NR101245
$6.99 (0 Bids)
Time Left: 2h
0.40 CTS NATURAL COLOR CHANGING ALEXANDRITE (BG42 169)
0.40 CTS NATURAL COLOR CHANGING ALEXANDRITE (BG42 169)
$7.99
Time Left: 2h 20m
0.55Ct.Natural Rare Oval Color Change Alexandrite P2669
0.55Ct.Natural Rare Oval Color Change Alexandrite P2669
$49.99
Time Left: 2h 29m
Genuine Alexandrite "Dawg"
Genuine Alexandrite "Dawg"
$49.50 (0 Bids)
Time Left: 2h 35m
Huge53.40Ct. Beautiful Cushion Color Change Alexandrite
Huge53.40Ct. Beautiful Cushion Color Change Alexandrite
$34.00
Time Left: 2h 38m
Alexandrite-4x3mm cats eye-all natural alexandrite cab
Alexandrite-4x3mm cats eye-all natural alexandrite cab
$28.99
$35.00
Time Left: 2h 56m
4.50 CT  ALEXANDRITE CUSHION CHECKERBOARD RUSSIA
4.50 CT ALEXANDRITE CUSHION CHECKERBOARD RUSSIA
$7.99 (1 Bids)
Time Left: 3h 5m
19.1ct.TRILLION AMAZING RUSSIAN CZOCHRALSKI ALEXANDRITE
19.1ct.TRILLION AMAZING RUSSIAN CZOCHRALSKI ALEXANDRITE
$5.99 (1 Bids)
Time Left: 3h 7m
21.35Cts.AWESOME RUSSIAN COLOR CHANGE ALEXANDRITE OVAL
21.35Cts.AWESOME RUSSIAN COLOR CHANGE ALEXANDRITE OVAL
$9.99 (0 Bids)
Time Left: 3h 15m


Related Products: (click to activate control)