Genuine Black Ethiopian Opal Gemstones Strand Opal Beads : Approx 40-45 beads, Length : Approx 4 inch October Birthstone Jewelry Making Beads Chakra Healing Crystals Energy Stones Handmade DIY Craft Beads Mala Strand Jewelry Making ®QNAVIC™ by PrincetonGems ★Gemstone: Ethiopian Opal ★Quality : AA Quality ★Stone Cut & Shape : Faceted | Rondelles ★Stone Weight : Approx 12 carats (Approx 40-45 Beads) ★Stone & Stone Size : Approx 3 to 5mm ★Stone : Smoked ★Birthstone Month : October ★Uses: All gemstone smooth rounds are for jewelry making, decoration or collection purposes. Ideal for jewelers, designers, hobbyists, crafters, collectors and youngster (as beading project). ★PRESENT GIVING: Perfect as a gift for those who love to wear dainty minimalist jewelry. Gift this stunning gemstone jewelry to your wife, girlfriend, sister, best friend, daughter, niece, mom, grandma, aunt, or buy for yourself as a piece that will stay in your collection for years. Perfect for birthdays, anniversaries, valentines, mothers day, Christmas, and more. ★PLEASE NOTE : Every gemstone is natural and unique and have its unique shape and size, so you may be received any of the jewelry as pictured or very similar within the stone weight range.