1.45 ct gem crystal opal 12x7x3mm - Black Opal Direct
1.10 ct crystal opal 9.3x5.9x3mm - Black Opal Direct
Crystal-opal high quality gem from Brazil
Crystal Opals: History, Symbolism, Meanings & More | Opal Auctions
Rainbow Crystal Boulder Opal 3.6 ct - Opal Galaxy
Opal - Proprietati terapeutice si informatii despre cristal
Amazon.com: Dazzlegems 4.05 quilates 100% A+Natural etíope Welo Opal Rough Stone, Cristal crudo, Piedra natal de octubre, Piedra de nacimiento de octubre, Piedra de opal, Piedra escogida a mano, Tamaño: 0.354 x
0.50 ct crystal opal 6.5x5.7x2.2mm - Black Opal Direct