Another Rock not as heavy

Description and Observations:

This rock is part of a personal collection inherited from your father, who acquired it over decades. It has a rough, natural surface with distinct red areas and a metallic sheen visible in the additional photographs. The rock measures approximately 4 inches long and 2 inches tall, weighing 1 lb 5 oz.

Possible Composition:

The visible red tones could suggest iron oxide or hematite content, while the metallic sheen and dark coloration might indicate minerals such as magnetite or a form of metamorphic rock. The swirling patterns could also suggest volcanic origins, such as obsidian or a related glassy material.

Historical Context:

The rock could have originated from several geographic locations:

1. New Guinea: The region is geologically rich, with volcanic activity producing various igneous rocks.
2. Ohio or Lake Erie Region: Known for its glacial deposits, sedimentary rocks, and occasional iron ore.

Your father’s work in construction and excavation might explain its discovery in Ohio, but without exact provenance, this remains speculative.

Potential Value:

• Scientific or Collectible Interest: If identified as a rare or unique geological specimen, it could hold interest for collectors or researchers.
• Decorative Use: Rocks with visible red tones and striking patterns are sometimes used for display or as paperweights, fetching modest sums between $10-$50.
• Metallic/Mineral Content: If the rock contains valuable minerals such as gold flecks (visible in some photos), its value could increase significantly.

Recommendations:

1. Seek Professional Identification:
   • Consult a geologist or take the specimen to a local university's geology department for precise identification.
   • Alternatively, a local rock or mineral club might provide insights.
2. Testing for Metal Content:
   • To determine if the flecks are gold or pyrite ("fool's gold"), have the rock tested by a mineralogist or prospector.
3. Preservation and Storage:
   • Store in a dry, stable environment to prevent any potential oxidation or damage.

Summary:

Without professional identification, this rock holds modest decorative and scientific value. However, if it contains valuable minerals or is deemed a rare geological specimen, its value could rise significantly. A professional appraisal by a geologist or gemologist is highly recommended to verify its composition and potential worth.