Large Hole Gemstones

Sold Individually What is it: Agate is a variety of banded microcrystalline quartz, or chalcedony. There are a vast amount of varieties of agate. Usually, each variety is named after their physical characteristics or location of origin. Agate is formed...

Approximate beads per strand: 21 What is it: Onyx, as well as agate are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colors of its bands range from...

Approximate beads per strand: 24 What is it: Onyx, as well as agate are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx has parallel bands. The colors of its bands range from...