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This Specimen has been sold.
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.9" Deep Blue Sapphirine Formation - Madagascar
This is a .9" wide deep blue sapphirine specimen collected from Voronkafotra (Vorokafotra; Vohidava mine) in Anosy, Madagascar. It comes with an acrylic display case and mineral tack.
About Sapphirine
Sapphirine is a rare magnesium and aluminium silicate, named for its sapphire-like color. It is primarily of interest to researchers and collectors: well-formed crystals are treasured and occasionally cut into gemstones. Sapphirine has also been synthesized for experimental purposes via a hydrothermal process. Typical colors range from light to dark sapphire blue, bluish to brownish green, green, and bluish or greenish gray to black; less common colors include yellow, pale red, and pink to purplish pink. It's a relatively hard mineral at 7.5 on Mohs hardness scale.
General Chemical Formula - (Mg,Al)8(Al,Si)6O20
Sapphirine is a rare magnesium and aluminium silicate, named for its sapphire-like color. It is primarily of interest to researchers and collectors: well-formed crystals are treasured and occasionally cut into gemstones. Sapphirine has also been synthesized for experimental purposes via a hydrothermal process. Typical colors range from light to dark sapphire blue, bluish to brownish green, green, and bluish or greenish gray to black; less common colors include yellow, pale red, and pink to purplish pink. It's a relatively hard mineral at 7.5 on Mohs hardness scale.
General Chemical Formula - (Mg,Al)8(Al,Si)6O20
SPECIES
Sapphirine
LOCATION
Voronkafotra (Vorokafotra; Vohidava Mine), Ianabinda, Betroka District, Anosy, Madagascar
SIZE
.9 x .7"
CATEGORY
ITEM
#317476
