9x8"

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic. Chalcedony's standard chemical structure

Black Chalcedony is a form of Chalcedony a cryptocrystalline variety of Quartz, a silicon dioxide mineral, that is composed of sub-microscopic particles of Quartz and can be translucent to opaque in appearance. The colour range is black, dark grey/black.

10x9x7

All minerals, gems, stones and fossils are guaranteed to be top quality; sourced from ethical vendors around the world.

All orders ship same or next business day with exception to oversized items. Those items will be identified in the description (Items such as large taxidermy, skulls or exceedingly heavy minerals).

If the subtotal of your order is over $98 the shipping is free (the discount is applied automatically to the cart at checkout)

If there is an issue with your order or something arrives damaged, we will refund or replace the item.

Oversized items are only available for pick-up or if you arrange the shipping yourself. This will be indicated in the item description. However, we do have a very reliable and affordable option for shipping. For more information, please click here. We can also work with a shipping provider of your choosing. 

For more information surrounding shipping or shipping rates, please email us at Orders@PaxtonGate.com