Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
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Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.
Petoskey Stone rough from Michigan, USA.

Petoskey Stone - Fossil Rough

Michigan, U.S.A.
Price per: Gram
Precio :
$0.12 CAD
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Specifications

  • Mohs Hardness 3.5
  • Mineral Families Carbonates
  • Fossil Era Paleozoic (252 - 541 million years ago)
  • UV Reactive Non Reactive
  • Treatments Natural/None

Descripción

Locality: Traverse Group, Michigan, U.S.A.

Description: Two million year old glaciers ripped through the Petoskey stone deposits and spread them throughout Michigan. They can be found in gravel pits and along beaches there if you're lucky. Petoskey stone deposits are fossilized Rugose Coral.

Chemical Composition: CaCO3

Grade: Lapidary Grade
Appearance: Opaque
Inclusions: The surface will often have some waste due to pitting. Some areas have great patterns, others do not. Usually 80% is aesthetic pattern.

Cost per Gram: $0.10
Size approximately 1 pc: 8cm x 6.5cm x 3.5cm
Weight approximately 1 pc: 195g

Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.

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