8.22ct ETW Earth-Mined Bluish Green Grandidierite – Cushion Cut, Rare Gemstone

8.22ct ETW Earth-Mined Bluish Green Grandidierite – Cushion Cut, Rare Gemstone

This impressive 8.22-carat earth-mined grandidierite from Madagascar features attractive bluish green coloration and a classic cushion cut. Its substantial size and rarity make it an interesting choice for gemstone collectors and distinctive custom jewelry designs.

Specifications:

Gemstone: Bluish Green Grandidierite
Carat Weight: 8.22ct ETW
Cut: Cushion Cut
Dimensions: 12.3 x 12.2 x 7.8 mm
Clarity: Opaque
Treatment: Unheated
Origin: Madagascar
Condition: New

Earth-mined Madagascar grandidierite weighing 8.22ct 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 to greenish blue coloration. Fine transparent specimens are particularly uncommon, making this mineral highly interesting to collectors.

Madagascar is the principal source of gem-quality grandidierite and is internationally recognized for producing specimens of this unusual mineral. Its distinctive coloration and relative rarity give it a special place among collectible gemstones.

This specimen is unheated and untreated, retaining its naturally occurring coloration without enhancement. Its opaque clarity gives it a solid appearance, with color and polished form providing its primary visual appeal.

At 8.22 carats and measuring 12.3 x 12.2 x 7.8 mm, this gemstone offers substantial presence. Its symmetrical cushion shape makes it suitable for a custom statement pendant or an addition to a rare mineral collection.

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

This individual Madagascan grandidierite combines impressive size, distinctive bluish green coloration, and natural unheated character in a rare collectible gemstone.

(Stock Code: ABMM)

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