Spessartine, Schorl (Black Tourmaline)

SKU: B_26_0029

A specimen of spessartine (garnet) with schorl on a light matrix (dominated by white feldspars with a quartz admixture). The composition is contrasting: red-brown garnet crystals are clearly defined against the background. The strongest accent is a larger spessartine crystal with well-defined faces and luster. Schorl occurs in the form of black, prismatic crystals.

Spessartine, Schorl (Black Tourmaline)

Price: 46 EUR (199 PLN)

Availability: In stock

Location: Mawi pegmatite, Nilaw-Kolum pegmatite field, Nuristan, Afghanistan

Size: 45 x 37 x 30 mm

Weight: 44.4 g

Chemical formula: Mn₃Al₂(SiO₄)₃

Crystal system: Cubic

Mohs hardness: 7.0–7.5

Rarity: Rare

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