Shop › Mini Lava Rocks Image 1 of 3 Image 2 of 3 Image 3 of 3 Mini Lava Rocks £8.00 Solid as a rock!Bead detail: 6mm black lava bead complete with silver alloy signature flower bead. Size: Select Size XXX Small 15cm XX Small 16cm X Small 17cm Small 18cm Medium 19cm Large 20cm X Large 21cm XX Large 22cm Quantity: Add To Cart Added! Solid as a rock!Bead detail: 6mm black lava bead complete with silver alloy signature flower bead.