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- Brand: Folkmarketgems
- SKU: spin-90
- Product type: Faceting Rough
Gemstone Specification
| Specification | Details |
|---|---|
Stone Name | Spinels |
Gems Type | Precious Stones |
Carat Weight | under carat to 1 carats |
Shapes / Cut | Rough |
Color of Gems | Purple, Lavender, and Indicolite |
Clarity | Eye Clean, Transparent, VS, and VVS |
Origin | Myanmar |
Treatments | No |
Birthstones | August |
Category Types | Facet Rough |
Deal Type | Small Bulk Lots / Start Up Deals |
| Specification | Details |
|---|---|
Stone Name | Spinels |
Gems Type | Precious Stones |
Carat Weight | under carat to 1 carats |
Shapes / Cut | Rough |
Color of Gems | Purple, Lavender, and Indicolite |
Clarity | Eye Clean, Transparent, VS, and VVS |
| Specification | Details |
|---|---|
Origin | Myanmar |
Treatments | No |
Birthstones | August |
Category Types | Facet Rough |
Deal Type | Small Bulk Lots / Start Up Deals |
Product Description
Grabs Deals on Natural Facet-Grade Rough Spinels for Lapidary Artists
Gemstone cutters can now access this stunning Burmese spinel parcel, ideal for faceting or cabbing. Available in 50, 100, or 150 carat lots.
Key Features:-
- Stone Name: Natural Raw Spinel Stones
- Weight: 150 carats per parcel
- Size Range: 0.50 ct – 1.60 ct (average size per piece)
- Color Range: Lavender, mauve, violet, blue-gray, purplish-pink – rich variety of hues in each lot
- Transparency: Transparent to semi-transparent; many stones show internal brilliance under light
- Treatment: None – 100% natural & untreated
- Origin: Burma (Myanmar)
- Hardness: 7.5 – 8.0 on Mohs scale (ideal for durable faceted stones)
FAQs – Spinel Rough Guidance for Gemstone Cutters
Q: Are these spinels suitable for faceting?
A: Yes. Many pieces in this lot show excellent transparency, and minimal surface pits—which is making them ideal for precision faceting into calibrated small sizes spinels loose gemstones or freeform cuts.
Q: What should cutters look for when selecting stones from the lot?
A: You can prioritize stones with uniform color, strong light return, and fewer inclusions. Many of these spinels have clean windows when backlit, allowing better orientation during dopping.
Q: How should I orient the rough for best results?
A: Use a high-intensity light or fiber optic to spot internal zoning or color concentration. Spinels often benefit from shallow crown angles to enhance brilliance.
Q: Can these stones be polished easily?
A: Yes. Spinel polishes exceptionally well using diamond paste on tin laps. A final polish with 100k diamond or cerium oxide (on felt) can bring a glassy finish.
Q: What shapes work best for these raw spinels?
A: Due to their natural loose raw forms, round, oval, and emerald cuts are easiest. However, freeform or fantasy cuts are also popular for designers seeking custom appeal.
Q: Are they beginner-friendly in faceting?
A: Absolutely. Spinel is less prone to chipping than sapphire, has no cleavage, and cuts cleanly—perfect for cutters honing their skill on high-value stones.
Q: How can I maximize yield from smaller stones?
A: Use calibrated templates and trim saws to preform. Go for minimalist designs to retain weight. Many of these stones are in the 0.75–1.20 ct range, ideal for accent stones or matched pairs.
Q: Are these stones clean enough for precision meetpoint faceting?
A: Many of them are. While some may show silk or tiny fingerprints, about 60–70% of the parcel appears suitable for precision faceting with proper inspection and preforming.
Gem Cutting & Handling Tips
- For Faceting: Choose stones with consistent color and minimal cracks.
- For Cabbing: Go for those stones with silk which will give stunning look
- For Jewelry Designers: Create jewelry such as you can pair rough pieces with rustic settings for bold, natural looks.
- Storage: Keep in safe drawer to avoid scratching.
- Cleaning: Use only mild soap and water; avoid ultrasonic or harsh cleaners.
Pro Lapidary Tips
- Use cross-lighting to view internal zoning
- Always inspect under daylight and LED to gauge true tone
- Spinels rarely need stabilizing, but protect from thermal shock during polishing
- Use a medium-speed lap with diamond grits (3000 or finer for polish)