Lot natural grandidierite rough crystals 43.6ct

A mixed parcel of rough grandidierite crystals in pale-to-medium aqua-green and teal tones. The pieces are natural, unpolished fragments of varying opacity - some showing pale translucent teal, others more opaque mint-green. Iron oxide staining is present on several surfaces, lending an earthy contrast to the mineral colour. Individual pieces range from 8 to 14mm.

Grandidierite is one of the world's rarest gemstone minerals, with Madagascar as the principal source. These rough crystals are offered untreated for collectors, lapidaries, or anyone seeking a genuinely scarce natural mineral. The crystals can be faceted, cut as cabochons, or kept as raw collector material. No heat or treatment applied.

• Stone type: Grandidierite
• Treatment: Untreated
• Cut: Rough
• Size: 8-14mm
• Weight: 43.6ct
• Clarity: Opaque
• Origin: Madagascar

Natural grandidierite rough, Madagascar - rare mineral lot, sold together.