Mined from Zacatecas, Mexico.
It is flourescent green under UV light and this is due to trace amounts of Uranium within each piece. The Uranium is trapped in the silica that forms the glass like structure.
Hylalite Opal is a passionate stone and it enables you to free your inhibitions and inspire love. It allows you to discover the truth and bring out your creativity.
 
Approximate measurements
A 10g
B 5g
C 10g
D 6g
E 9g
F 13g
G 13g
H 9g
I 10g
J 9g
K 15g
L 9g
M 7g
N 8g
O 6g
P 7g
Q 9g
R 10g
S 7g
T 7g
U 9g
V 9g
W 14g
X 6g