Topaz is an aluminum
fluorosilicate. It is hard but can develop fractures, so try not
to drop them or step on them, OK? Normal colors are various shades
of pale yellow, but there are other possibilities, including light blue
if you irradiate it.
nice crystal, ~15mm, $35.00
Click picture for enlargement.
Raleigh NC 27611
phone: (919) 787-0881
(8:30AM-10:30PM EST only please)
fax: (919 787-1882
how to order