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Available Colors

Click the thumbnails below to view a larger product image, as well as a project image showing a practical application (if available).

Pangaea® Natural Stone - Keystone, Black Rundle
Black Rundle (Limestone)
Pangaea® Natural Stone - Keystone, Cambrian
Cambrian (Sandstone)
Pangaea® Natural Stone - Keystone, Tuscan
Tuscan (Sandstone)

Colors are integral and require no additional treatment or finishes. Our color selections enable you to match and color coordinate any stone with all of our Architectural Profiles & Trim products. This includes products such as watertable sills, wall/pier caps, window/door trim, and more!

Available Products

Pangaea® Natural Stone - Keystone

Available Size: (HxLxW)

  • 11.5″ x 5″ – 9.5″ x 2″

Finish: Natural

Available Colors: 3

  • Black Rundle
  • Cambrian
  • Tuscan


Offering tremendous design flexibility, Keystones from Pangaea® Natural Stone can be cut or shaped to conform to any arch radius, making them the perfect finishing touch for door and window treatments.

Keystones are available in a Natural Finish,  meaning their front surface has a chiselled face finish, giving it a rough textured appearance, and all 4 edges have a hand hewn texture. The back surface is sawn cut.

To find a Pangaea® Natural Stone dealer in your area, please click Where To Buy.

Pangaea® Natural Stone Keystone Cambrain

Keystone Size:
– Length: 11.5”
– Width: Top: 9.5”, Bottom: 5”
– Thickness: 2”
– Finish: Natural
– Available Colors:  Black Rundle, Cambrian, Tuscan

– Natural: Top surface has a natural split face finish giving it a rough textured appearance. All 3 edges have a hand hewn texture. Saw cut back edge.


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