6.50ct ETW Earth-Mined Bluish Green Grandidierite – Cushion Cut, Rare Gemstone

6.50ct ETW Earth-Mined Bluish Green Grandidierite – Cushion Cut, Rare Gemstone

This distinctive 6.50-carat earth-mined grandidierite from Madagascar features attractive bluish green coloration and a classic cushion cut. Its substantial size, unusual mineral identity, and striking color make it an appealing choice for gemstone collectors and custom jewelry designs.

Specifications:

Gemstone: Bluish Green Grandidierite
Carat Weight: 6.50ct ETW
Cut: Cushion Cut
Dimensions: 12.5 x 11.5 x 7.0 mm
Clarity: Opaque
Treatment: Unheated
Origin: Madagascar
Condition: New

Earth-mined Madagascar grandidierite weighing 6.50ct ETW in a cushion cut, featuring opaque clarity, natural bluish green coloration, and unheated character.

Grandidierite is a rare magnesium aluminum borosilicate mineral prized for its distinctive blue-green hues and limited availability. Its unusual mineral composition and geological rarity make it particularly interesting to gemstone enthusiasts and collectors.

This specimen displays attractive bluish green coloration in a substantial cushion shape. Its opaque clarity emphasizes its natural color and distinctive internal appearance rather than transparent brilliance.

Madagascar is the principal source of gem-quality grandidierite, producing specimens sought after for their unusual color and rarity. This gemstone is unheated, retaining its naturally occurring coloration without heat enhancement.

At 6.50 carats and measuring 12.5 x 11.5 x 7.0 mm, this grandidierite offers impressive proportions for a custom pendant or collector's display. Its cushion cut provides a balanced shape suitable for a distinctive jewelry setting.

Grandidierite has a Mohs hardness of approximately 7 to 7.5, offering reasonable durability for carefully designed jewelry. Protective settings and careful handling are recommended.

This individual Madagascar grandidierite combines substantial size, appealing bluish green coloration, and the rarity of a highly collectible natural mineral.

(Stock Code: ABMM)

Keywords: loose gemstone, earth-mined grandidierite, natural grandidierite, Madagascar grandidierite, Madagascar gemstone, bluish green gemstone, cushion cut grandidierite, opaque grandidierite, unheated grandidierite, 6.50ct grandidierite, rare gemstone, collector gemstone, natural blue green mineral, statement pendant gemstone