Organic Materia (Not a rock or mineral)

Grass (Organic Matter/Soil)

Poaceae (family of monocotyledonous flowering plants)

Hardness: Very low (flexible organic plant matter); Color: Green (chlorophyll) and straw-yellow (dormant/dead); Luster: Matte; Crystal structure: Non-crystalline/biological cell structure.

Hardness: Very low (flexible organic plant matter)
Color: Green (chlorophyll) and straw-yellow (dormant/dead)
Luster: Matte

Identified March 22, 2026More organic materia (not a rock or mineral) →

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Physical properties

Hardness: Very low (flexible organic plant matter); Color: Green (chlorophyll) and straw-yellow (dormant/dead); Luster: Matte; Crystal structure: Non-crystalline/biological cell structure.

Formation & geological history

Biological growth through photosynthesis and cellular respiration. This specimen appears to be a common turfgrass species growing in topsoil rich in organic matter and minerals.

Uses & applications

Landscaping, erosion control, carbon sequestration, and livestock fodder.

Geological facts

Grasslands cover approximately 40% of the Earth's land surface. From a geological perspective, the evolution of grasses significantly altered terrestrial weathering rates and soil formation over the last 60 million years.

Field identification & locations

Cannot be identified as a rock; identify in the field by its bladed leaves, fibrous root systems, and presence in the Uppermost (O or A) soil horizons. Found globally in temperate and tropical environments.

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Note: Item is not a geological specimen

Homo sapiens (Dermal Appendage: Pilus)

Organic / Biological

Metallic Ornament / Jewelry

N/A - This is an artificial object, not a geological specimen.

This appears to be a man-made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen.

Note: Item is not a geological specimen

Guitar Components (Steel, Nickel, Plastic, Wood)

Synthetic/Consumer Product

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Non-geological

Man-made Synthetic Material (Plastic/Composite)

Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)

Non-geological / Synthetic

N/A (Non-Geological Object)

N/A