Not a diamond; this is a rough green gemstone crystal, likely tsavorite garnet, emerald, or green tourmaline.
Not a diamond; this is a rough green gemstone crystal, likely tsavorite garnet, emerald, or green tourmaline. · Raw, uncut, or natural crystal form with elongated prismatic habit.
Not applicable (Rough crystal, uncut). Cut
Carat
Estimated at 3.5 to 5.0 carats based on visual size relative to fingers.
Color
Vivid intense green (Fancy Green descriptive scale).
Clarity
Included (I1 equivalent for colored stones due to internal fractures and inclusions).
Shape
Raw, uncut, or natural crystal form with elongated prismatic habit.
Overall Assessment
An appealing raw green crystal specimen requiring professional gemological testing to definitively determine species, value, and potential lapidary use.
Cut Quality
Not applicable (Rough crystal, uncut).
Brilliance
Vitreous to resinous luster typical of rough colored gemstones.
Fire
Low to moderate dispersion depending on the specific mineral species.
Scintillation
Limited flash due to rough, unpolished surface facets.
Proportions
Natural rough proportions, deep uncalibrated crystal body.
Symmetry
Natural crystal symmetry (monoclinic, hexagonal, or isometric depending on exact mineral species).
Polish
Raw crystal surface, natural striations present.
Fluorescence
Unknown without UV testing, though typical for green gems varies from inert to moderate.
Inclusions
Feather fractures, internal veiling, and potential crystal inclusions visible.
Blemishes
Surface pitting, natural growth lines, and rough edges.
Origin
Likely mined from pegmatite or metamorphic deposits (Africa, Brazil, or Russia common for colored stones).
Treatment Detection
No obvious treatments visible on the raw crystal, but standard testing is required.
Estimated Value
Varies widely from $100 to $1,000+ depending on the exact mineral species (e.g., high-quality tsavorite vs. tourmaline).
Certification Estimate
GIA Colored Stone Identification Report or similar gemological laboratory.
Investment Potential
Moderate, highly dependent on precise mineral identification and potential yield if cut.
Similar Diamonds
Not applicable; comparable rough green colored gemstones.
Setting Suggestions
Custom organic or bezel setting designed to protect the raw crystal structure in a pendant or statement ring.
Care & Maintenance
Avoid harsh impacts, ultrasonic cleaners, and sudden thermal shock.
Interesting Facts
Natural green crystals are often prized by collectors in their raw, uncut matrix or crystal form.