Not a diamond; this image displays rough or crystalline sulfur formations, typically characterized by an intense yellow color and distinct cleavage or tabular crystals rather than carbon-based diamond structure.
Not a diamond; this image displays rough or crystalline sulfur formations, typically characterized by an intense yellow color and distinct cleavage or tabular crystals rather than carbon-based diamond structure. · Irregular / Crystalline aggregate (non-facetted rough material)
Not applicable (uncut raw mineral specimen) Cut

Carat
Not applicable (not a gemstone diamond)
Color
Bright yellow to canary yellow (native sulfur)
Clarity
Not applicable for non-diamond mineral specimens (contains visible fractures and inclusions)
Shape
Irregular / Crystalline aggregate (non-facetted rough material)
Overall Assessment
The visual specimen is native sulfur (elemental sulfur), not a diamond. It exhibits characteristic yellow coloration and aggregate crystal growth, entirely unrelated to gem-grade diamond material.
Cut Quality
Not applicable (uncut raw mineral specimen)
Brilliance
Resinous to greasy luster, lacking diamond-like brilliance and adamantine shine
Fire
Very low dispersion compared to diamond
Scintillation
Poor light return due to opacity and irregular crystal faces
Proportions
Not applicable
Symmetry
Natural crystal symmetry (orthorhombic system)
Polish
None (matte to resinous natural luster)
Fluorescence
Inert to variable depending on impurities
Inclusions
Abundant natural mineral inclusions, micro-fractures, and matrix attachments
Blemishes
Surface pitting, natural cracks, and chipping typical of native sulfur specimens
Origin
Volcanic or sedimentary sulfur deposits
Treatment Detection
Natural untreated mineral specimen
Estimated Value
Minimal commercial value as a decorative mineral specimen; priced by weight as a geological sample
Certification Estimate
Not applicable (mineralogical specimen, not graded by gemological diamond labs like GIA or IGI)
Investment Potential
Low investment value; collected primarily for educational, mineralogical, or display purposes
Similar Diamonds
None (sulfur is entirely distinct from diamond in chemical composition and physical properties)
Setting Suggestions
Not suitable for jewelry settings due to extreme softness (Mohs hardness ~1.5-2.5) and low durability
Care & Maintenance
Store in a cool, dry place away from heat and open flames (sulfur is highly flammable and sensitive to temperature changes)
Interesting Facts
Native sulfur has been known since ancient times, is associated with volcanic activity, and burns with a blue flame emitting sulfur dioxide