Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
In rare cases
this mineral is suitable for gemstone cutting
The bone structure indicates powerful muscles in both the legs and feet
With a Mohs hardness of 6–7
subtle differences in structure influence their stability under varying environmental conditions
4.3" Colonial Rugose Coral Fossil Devonian Age Speed Quarry, Clark County, Indiana Petrified Wood In rare casesLocation: Speed Quarry, Clark County, Indiana Weight: 3. 4 Ounces Dimensions: 4. 3 Inches Long, 2. 7 Inches Wide, 1. 1 Inches Thick Middle Devonian Age 380 Million Years Old The item pictured is the one you will receive. Colonial Rugose Fossil Coral (Prismatophyllum Prisma) Dare to own a relic from one of nature's boldest experiments in reef formation. During the Devonian period410 million years agocorals entered the oceans with remarkable force,