Botswana Agate 10mm Round - 8-Inch Tear Drop Diamond Cut Rose Quartz is a silicon

Rose Quartz is a silicon dioxide crystal and one of the most common varieties of the Quartz family

sodalite and pyrite

Natural topaz colors include rare and valuable yellow

Common Opal is generally opaque

mined since 4000 BCE

Botswana Agate 10mm Round - 8-Inch Tear Drop Diamond Cut Rose Quartz is a siliconBotswana 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.