Natural Spinel Rough · 0.968 ct · For Faceting · Unheated

$7.29

Natural Spinel rough for faceting weighing 0.968 ct and measuring approximately 6.9 × 6.2 × 2.9 mm. The specimen displays a very light peachy pink to soft salmon-pink colour with translucent to locally semi-transparent material, fine internal veils and small inclusions. Its broad face-up area offers good faceting potential, while the limited depth will favour careful orientation and a shallower cutting design. Unheated and untreated.

1 in stock

NGB Reference: NGB-000839 SKU: RO-SPIN024PI-001-095 Category: Brand:
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This natural Spinel rough weighs 0.968 ct and measures approximately 6.9 × 6.2 × 2.9 mm. The specimen displays a very light peachy pink to soft salmon-pink colour, with subtle variation in tone across the rough.

The material is translucent to locally semi-transparent, allowing a noticeable amount of light to pass through while retaining some natural internal haze and structural features. Fine inclusions, small internal veils and minor darker pinpoint features are visible, together with subtle natural surface irregularities.

The rough has a relatively broad face-up area in relation to its 2.9 mm depth. This gives the cutter useful surface spread, but the limited depth will need to be considered carefully when selecting the final design. A shallower faceting approach may offer the best opportunity to preserve both colour and usable yield.

The overall shape is irregular but reasonably compact, with several smoother natural surfaces and gentle rounded contours. Careful orientation should focus on maintaining the most even pink colour while working around the visible internal features and preserving as much depth as possible.

This Spinel is unheated and untreated, retaining its natural pale pink colour and original rough structure. With its delicate peachy-pink tone, light-transmitting character and compact proportions, it offers attractive potential for a small individual faceted gemstone, with final yield and shape dependent on orientation and cutting strategy.

Overall Score: 81/100

NGB Grade: Very Good

Quality Evaluation

Natural Characteristics18.0/20
Inclusion Profile16.0/20
Faceting Potential16.0/20
Usable Yield / Shape Potential15.0/20
Overall Rough Quality16.0/20

Evaluation Notes

This natural Spinel rough presents a very good faceting profile, supported by its attractive very light peachy pink to soft salmon-pink colour and good light transmission.
The rough is translucent to locally semi-transparent, with fine internal veils, small inclusions and a few darker pinpoint features visible in the material. These characteristics will require careful orientation but do not eliminate useful faceting potential.
Its broad face-up area is a strength, while the limited 2.9 mm depth is the main constraint and will favour a shallower cutting design to preserve yield and colour.

The combination of colour, usable transparency, manageable inclusions and overall faceting potential supports a very good 81/100 assessment.

Species

Spinel

Gemstone Variety

Spinel

Color

Pink

Treatment

Unheated, Untreated

Transparency

Translucent

Gemological Properties

Carat Weight0.968 ct
Dimensions6.9 × 6.2 × 2.9 mm
TransparencyTranslucent
Refractive Index1.715-1.747
Specific Gravity3.55 to 3.90
Hardness7.5-8 on Mohs' scale Mohs
Crystal SystemCubic
Dispersion0.013
LusterN/A
Color Descriptionlight peachy pink to soft salmon-pink
Transparency NotesTransparent after facetting. The recorded transparency is considered together with the specimen’s individual internal characteristics.
Natural CharacteristicsThe Spinel rough shows a very light peachy pink to soft salmon-pink colour with slight natural tonal variation. The material is translucent to locally semi-transparent, with fine internal veils, small inclusions and a few darker pinpoint features visible within the rough. The specimen has a broad face-up area but limited depth at 2.9 mm, making careful orientation important for faceting. Surface irregularities and internal features should be positioned to minimise loss while preserving the most even colour and maximum usable depth.

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