13.7x8.6mm 3 Ring Rectangle Magnetic Clasp - Antique Brass Plated - 4 Pack R1363 bubbles and crystal-rich layers that

bubbles and crystal-rich layers that form as lava flows onto the surface of stone —

Lepidocrocite forms when iron-containing substances rust underwater

It is a hard ceramic in the Beta-Aluminate family

It's a stunning specimen

These gauges are often used to display dimensional information in science & engineering but is convenient for creative use as well

13.7x8.6mm 3 Ring Rectangle Magnetic Clasp - Antique Brass Plated - 4 Pack R1363 bubbles and crystal-rich layers thatWe love multi strand necklaces, bracelets, and anklets and love using these rectangle shaped magnetic clasps to secure them. They are small in profile but big in strength! Measurements: 13. 7 long with the loops (8mm not including the loops) and 8. 5mm wide. The loops can accomodate stringing materials that are 1. 7mm thick or smaller. The loops are closed and are approximately 2. 5mm apart.