Botswana Agate 6mm Round - Large Hole Beads Mixed Petrification occurs when the wood

Petrification occurs when the wood is covered by sedimentary rock

pink and golden mottling and spots within the primarily black stone

this opal variety is characterized by their dark base tone

Mexican Red Snowflake Jasper is a naturally occurring Jasper with deep red

This stone is relatively soft

Botswana Agate 6mm Round - Large Hole Beads Mixed Petrification occurs when the woodBotswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth. This lava rolled across the landscape, depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate.