![Grape Agate Botryoidal Purple Chalcedony #05](http://lunulacrystaldreams.com/cdn/shop/products/IMG_5101_20d44c2d-8d9e-4dd8-948b-856035abfb85_{width}x.jpg?v=1597709449)
335g / 0.739 lbs / 11.82 oz
5.34" x 3.28" x 3.30
Although the trade name is Grape Agate, these are Botryoidal Purple Chalcedony. Botryoidal means that round tiny sphere-shaped crystals that have naturally formed together.
Chalcedony is a silicon dioxide mineral that is composed of sub-microscopic particles of Quartz arranged in fibrous layers. The color ranges from mid to deep purple, often pieces can also have a greyish or greenish tinge to the small orbs.