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Purchase by the piece or in a one pound lot
shades of brown
Swazi Agate is also called Mozambique Agate
The picture in the lower right shows what the material looks like cut and polished
AMM271 Ammonite Fossil (South Dakota) Graveyard Point Plume Agate Purchase by the piece orThis ammonite specimen comes from South Dakota in the Cretaceous period when the area was submerged by the Western Interior Seaway millions of years ago. They are typically preserved in hard concretions that must be carefully removed. This sizeable fossil shows mixes of brown and yellow calcite with a smooth surface displaying complex leafy suture patterns. It has a fairly well preserved chamber opening and spots of red, yellow, and green iridescence.