Pyrite Included Serpentine (Jade) Jewelry Stromatolites are layered colonial sedimentary

Stromatolites are layered colonial sedimentary structures predominantly formed by photosynthetic microorganisms

This item is 5” x 3” and weighs 17

this piece makes for an excellent display specimen

the rosettes erode into positive relief on exposed rock surfaces

5” x 1” and weighs 1

Pyrite Included Serpentine (Jade) Jewelry Stromatolites are layered colonial sedimentaryThis variety of serpentine, often called new jade, displays fine inclusions of pyrite that add a metallic shimmer to its soft green surface. Serpentine is a magnesium silicate mineral formed through the alteration of ultramafic rocks, while pyrite (FeS) crystallizes as golden flecks within the stone. Together they create a striking contrast of earthy green and metallic gold, most commonly found in deposits from China and South Africa. This item is 2 x