terrestrial rocks meteorites

 

The object in the image appears to be a rock that could potentially be a meteorite, specifically a stony meteorite, given its dark, somewhat irregular shape and the possibility of a fusion crust. 

Key characteristics of meteorites that can help distinguish them from terrestrial rocks include:

Fusion Crust:

Stony meteorites often have a thin, melted crust on their surface formed during their fiery descent through Earth's atmosphere. 

Density:

Meteorites, especially those containing metallic iron, are typically heavier than most Earth rocks of similar size. 

Magnetism:

The presence of metallic iron in most meteorites means they will often attract a magnet. 

Regmaglypts:

Iron-nickel meteorites may exhibit unusual pits resembling fingerprints on their surface, known as regmaglypts. 

Chondrules:

Many stony meteorites (chondrites) contain small, spherical particles called chondrules, which are not found in Earth rocks. 

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