3.54ct ETW Earth-Mined Bluish Green Grandidierite – Octagon Cut, Rare Gemstone

3.54ct ETW Earth-Mined Bluish Green Grandidierite – Octagon Cut, Rare Gemstone

This distinctive 3.54-carat earth-mined grandidierite from Madagascar features attractive bluish green coloration and an elegant octagon cut. Its rarity, substantial size, and unusual color make it an appealing addition to a gemstone collection or custom jewelry design.

Specifications:

Gemstone: Bluish Green Grandidierite
Carat Weight: 3.54ct ETW
Cut: Octagon Cut
Dimensions: 11.0 x 9.0 x 4.5 mm
Clarity: Opaque
Treatment: Unheated
Origin: Madagascar
Condition: New

Earth-mined Madagascar grandidierite weighing 3.54ct ETW in an octagon 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 coloration. It is considered an unusual collector gemstone due to its limited availability and restricted geological occurrence.

This specimen displays attractive bluish green tones in a geometric octagon shape. Its opaque clarity emphasizes its natural color and solid appearance rather than transparent brilliance.

Madagascar is the best-known source of gem-quality grandidierite, producing specimens that attract mineral enthusiasts and gemstone collectors worldwide.

This gemstone is unheated and untreated, retaining its naturally occurring coloration without artificial enhancement.

At 3.54 carats and measuring 11.0 x 9.0 x 4.5 mm, this grandidierite offers attractive proportions for a custom pendant or collector's display. Its octagon cut provides a refined geometric appearance.

Grandidierite has a Mohs hardness of approximately 7 to 7.5, offering reasonable durability with appropriate care. Protective settings are recommended for jewelry applications.

This individual Madagascar grandidierite combines rarity, distinctive bluish green coloration, and elegant octagon-cut styling in an unusual earth-mined gemstone.

(Stock Code: ABMM)

Keywords: loose gemstone, earth-mined grandidierite, natural grandidierite, Madagascar grandidierite, Madagascar gemstone, bluish green gemstone, octagon cut grandidierite, opaque grandidierite, unheated grandidierite, untreated grandidierite, 3.54ct grandidierite, rare gemstone, collector gemstone, natural mineral, custom pendant gemstone