No reserve price Tourmaline - 11.22 ct - Antwerp Laboratory for Gemstone Testing (ALGT) #boron silicate #collector stone #colorful gem #gemstone variety #hard mineral #jewelry gem #multicolor gemstone #piezoelectric properties #tourmaline #Unique Crystals
Natural crystal opal – vibrant play of color – created by nature 59.35ct- 11.85 g #collectibles #colorful gem #crystal opal #gemstone #mineral specimen #natural opal #play-of-color #precious opal #translucent stone
