Not diamonds; these are mineral aggregate rock or sand grains, likely quartz or sandstone matrix.
Not diamonds; these are mineral aggregate rock or sand grains, likely quartz or sandstone matrix. · Irregular micro-grains / granular aggregate
Uncut / Natural raw rock formation Cut

Carat
Not applicable (aggregate rock formation)
Color
Brownish-grey to off-white granular matrix
Clarity
Not applicable to raw aggregate rock
Shape
Irregular micro-grains / granular aggregate
Overall Assessment
The image shows a geological formation of small granular minerals (likely quartz sand grains cemented in a matrix) rather than faceted or rough diamonds.
Cut Quality
Uncut / Natural raw rock formation
Brilliance
Minimal, vitreous to dull luster typical of quartz grains
Fire
Negligible
Scintillation
Poor due to lack of faceted surfaces
Proportions
Not applicable
Symmetry
Asymmetrical raw matrix
Polish
Unpolished natural surface
Fluorescence
Not evaluated
Inclusions
Natural mineral impurities within the rock matrix
Blemishes
Natural weathering and surface texture
Origin
Natural sedimentary rock or sandstone formation
Treatment Detection
None detected; completely natural
Estimated Value
Nominal geological specimen value
Certification Estimate
Not certifiable as gemstone diamonds; geological testing required
Investment Potential
None as a gemstone investment
Similar Diamonds
None, as these are not diamonds
Setting Suggestions
Not suitable for jewelry setting
Care & Maintenance
Standard geological specimen handling
Interesting Facts
Appears to be a closeup of a sandstone surface or compacted quartz grain matrix rather than individual gemstones.