Brass Gauge - 80mm Center originally from the Lapis-Lazuli mine

originally from the Lapis-Lazuli mine in Afghanistan

the third to hardest common natural gemstone

Kambaba Jasper is a sedimentary stone comprised of microcrystalline Quartz interlaced with Stromatolites — ancient fossilized colonies of primeval microorganisms

Madagascar Agate is a transparent

Petersburg

Brass Gauge - 80mm Center originally from the Lapis-Lazuli mineMeasure small items accurately with Brass Gauge. Made of high quality brass, the slide gauge is non magnetic and durable, specifically designed for long lasting use. The caliper like device can measure up to 3. 14 80mm, making it ideal for determining the size, thickness, or diameter of a bead, gem, diamond, coin, wire and much more. These instruments are conveniently marked with measurements in both inch and millimeter increments. To use, start with