(1) As with other mines containing pegmatite rocks, Brazilian Alexandrite is found in rugged areas that can be difficult to access.

(2) African Alexandrite is typically located in wet regions near rivers and mined by digging through river beds by hand to unearth the Alexandrite rich pegmatite rock.

(3) Alexandrite laser is one of the superior tunable solid - lasers.

(4) The gem was named "Alexandrite" after the young Tsarevitch, who was crowned Tsar Alexander II in 1855.

(5) Following the sparse Alexandrite veins through pegmatite rock with hand dug trenches, open pits and small tunnels, mining was very primitive to say the least.

(6) Objective: To observe the therapeutic effects of Q-Switched Alexandrite laser in treatment of freckles and lentigo .

(7) Objective : To evaluate the effect of hair removal using alexandrite laser.

(8) Methods: naevus fuscocaerules zygomaticus are treated by Q - switch alexandrite laser.

(9) Objective To evaluate the effectiveness and safety of long - pulsed Alexandrite laser for hair removal.

(10) Objective To observe the effects of long - pulsed Alexandrite laser on hair removal.

(11) Objective To evaluate the clinical efficacy and safety of Q-switched Alexandrite laser in the treatment of pigmentary skin diseases (PSDs).

(12) Itsion: It's a good and safe method to treat naevus fuscocaerules zygomaticus by Q - switch alexandrite laser.

(13) Objective : To observe clinic cure effect of naevus fuscocaerules zygomaticus by Q - switch alexandrite laser.