18.75 ct Vietnamese Red & Pink Spinel Crystal Collection – 17 Natural Unheated Crystals from Luc Yen

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Weight 18.75 ct
Pieces

17

Variety

Spinel Crystal

Color

red and pink

Weight Range

from 1.90–0.30 ct and approximately 7.5–4 mm in size

Treatment

natural and unheated

Mining Location

from Luc Yen, Vietnam

Stone Identity & Quality

This is a collection of 17 natural spinel crystals originating from Luc Yen, Vietnam, with a combined weight of 18.75 carats.

The individual crystals range from approximately 1.90 ct to 0.30 ct, measuring around 7.5 mm to 4 mm. The collection consists predominantly of red and pink spinels and includes attractive examples of bipyramidal and twinned crystal morphology.

The crystals display a natural range of red and pink colors, from deeper saturated red-pink material to brighter pink and lighter pink crystals.

Differences in transparency, tone and saturation can be seen from crystal to crystal. When observed under changing light and viewing angles, the natural crystal faces also create different reflections across the parcel.

These variations are part of the appeal of collecting natural spinel crystals as they occur rather than evaluating them solely according to the appearance expected from polished gemstones.

Internal & External Features

The collection preserves visible natural crystal faces, geometric growth forms and individual surface characteristics.

Several crystals display the recognizable angular geometry associated with spinel crystallization, including bipyramidal and twinned formations. Natural inclusions and differences in transparency are also present across the parcel.

These internal and external characteristics should be considered individually when evaluating each crystal for collecting, study, display or any possible lapidary application.

Cutting, Specimen, or Treatment Potential

The primary attraction of this parcel is its natural crystal formation and collector value.

Well-developed crystal geometry can make intact spinel crystals more interesting as mineral specimens than as material intended simply for faceting. Cutting would permanently remove the natural crystal morphology.

For that reason, each crystal should be evaluated separately before considering any lapidary work. Factors such as transparency, inclusions, dimensions, orientation, depth and the preservation of natural crystal faces should all be considered.

No specific cutting yield or finished gemstone result is promised.

The collection is presented as natural and unheated.

Source & Ethical Position

Danushka Gems & Minings works with source-connected gemstone networks in Sri Lanka and other important gemstone-producing regions when direct sourcing information is available.

This collection comes from Luc Yen, Vietnam, a region internationally associated with spinel and other colored gemstones.

Our approach is to present natural gemstones according to what the material actually offers—whether its strongest potential is as cutting rough, a finished gemstone, or, as with this collection, an interesting group of naturally formed crystals.

Origin information, treatment disclosure and practical evaluation are important parts of how we present gemstones to international collectors, dealers, jewelers and professional buyers.

Frequently Asked Questions

The collection originates from Luc Yen, Vietnam.

There are 17 individual natural spinel crystals with a combined weight of 18.75 ct.

The parcel contains primarily red and pink spinel crystals, with natural variations in tone and saturation.

They are presented as natural and unheated.

The collection is primarily interesting for its natural crystal morphology, including bipyramidal and twinned forms. Individual crystals can be evaluated separately for possible lapidary use, but cutting results or yields are not guaranteed.

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