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

Not diamonds; these are mineral aggregate rock or sand grains, likely quartz or sandstone matrix. - Irregular micro-grains / granular aggregate

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.

Identified on 8/26/2026
Not diamonds; these are mineral aggregate rock or sand grains, likely quartz or sandstone matrix. Irregular micro-grains / granular aggregate | Diamond Identifier