Niobium Hoop Earrings - Rainbow Colors In Various Sizes rings See the last picture on

See the last picture on this listing for a comparison of the different gauges I use

The black finish is oxide deposited by heat treating

It looks like gun metal gray the stone known as hematite

Spiral earrings are a unique design idea

Niobium Hoop Earrings - Rainbow Colors In Various Sizes rings See the last picture onThese hypoallergenic pure niobium hoop earrings are about one inch in diameter and have a very easy to work yet secure sideways action clasp. Niobium is a very interesting metal. It is a platinum gray color in its natural state as I use it. It is ductile and can be forged much like gold or silver. It is element number 41 in the periodic table of elements and it is the most hypoallergenic material I know of. Unlike stainless steel it is a pure element