12.95 ct Natural Unheated Madagascar Chrysoberyl Rough – Facet Grade Alluvial Gemstone

Stone Identity & Quality

This is a 12.95 ct natural chrysoberyl rough measuring 15.2 × 10.9 × 8.9 mm. It is sourced through direct source connection from Madagascar and is presented in its natural unheated condition.

The stone is an alluvial rough with a naturally water-worn external shape and is classified as facet grade based on the provided material information. Its size, usable depth, vitreous appearance, and visible transparent areas make it suitable for professional cutting study.

Color & Visual Characteristics

Under the lighting shown, the chrysoberyl displays a yellow to yellowish-green appearance. Strong transmitted light reveals brighter greenish-yellow areas inside the body, while reflected light gives the surface a warmer yellow-brown appearance.

Because this is an uncut gemstone, apparent color can vary considerably with light direction, background, rough-surface texture, and thickness. The final face-up color will depend on orientation, finished depth, facet arrangement, and how much of the external surface is removed.

Internal & External Features

The rough shows a naturally rounded alluvial surface with water-worn texture and irregular natural marks. These features are typical of gemstone material that has moved through secondary alluvial deposits before recovery.

Under transmitted light, internal transparency and natural structural features can be examined more clearly. Before cutting, the stone should be studied for:

Transparent and cleaner zones

Inclusion positions

Surface-reaching features

Color concentration

Available depth

Internal stress or fractures

Best orientation for weight retention and light return

Cutting, Specimen, or Treatment Potential

This chrysoberyl is presented as facet-grade rough, making cutting potential its primary practical interest.

The 15.2 × 10.9 × 8.9 mm dimensions provide useful body and depth, but the best final shape should be determined only after inspecting the internal structure. Depending on orientation, a cutter may consider oval, cushion, pear, modified cushion, or another shape that follows the natural usable body.

The chrysoberyl is currently unheated. No exact finished weight, clarity, color, or recovery percentage can be promised before cutting.

Source & Ethical Position

This chrysoberyl was sourced through direct source connection from Madagascar and is presented by Danushka Gems & Minings with practical information for professional gemstone buyers.

Our approach focuses on showing rough stones in their natural condition and explaining both their visible strengths and their limitations. Cutting yield, finished clarity, final color, and value should never be overstated before the stone has been properly examined and transformed.

This gives cutters, dealers, collectors, jewelers, and international buyers a more realistic understanding of the material before making a decision.