Boulder Opal set in sterling silver with Garnet accents

Gemstone Name: Boulder Opal
Location: Queensland, Australia
Characteristics: Small pockets of translucent blue and multicolor opal in an ironstone matrix - set in sterling silver wire with 3 Australian garnet accent stones and an 8 mm bail
Hardness: 5
Size: 33x67 mm and 6 mm thick 
Polish: very good