Call Us: 1-866-354-0894

BCR313 South Dakota Chalcedony

BCR313 South Dakota Chalcedony

$20.00

  • This is an exceptional quality select Chalcedony rock from South Dakota. 
  • A great rock for cutting and any lapidary project.
  • It will fluoresce bright green under a SW/UV light. 
  • This particular specimen measures 8 1/2″ x 4 7/8″ x 2 1/2″ and weighs nearly 4 pounds.

MOHS hardness scale of  6.5 – 7

 

Out of stock

Email when stock available

Description

Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. Chalcedony has a waxy luster, and may be semitransparent or translucent. It can assume a wide range of colors, but those most commonly seen are white to gray, grayish-blue or a shade of brown ranging from pale to nearly black.

Additional information

Weight4.00 lbs
Dimensions8.5 × 4.875 × 2.5 in

Contact Us

Address:
515 1st Street
Keystone, SD 57751

Order: 1-866-354-0894
Information: 605-666-4813
Email: info@therockshed.com

Find Us On Social