Herja Mine, Chiuzbaia (Kisbánya), Baia Mare (Nagybánya), Maramureș, Romania

Sb₂S₃

Crystal System: orthorhombic
Colour: lead-gray with pale blue tint
Lustre: metallic
Habitus: prismatic to acicular crystals; bent individuals are not uncommon. Radiating aggregates of acicular crystals; also as columnar, granular, or massive aggregates
Hardness: 2
Fracture: sub-conchoidal
Cleavage: perfect on {010}, imperfect on {100} and {110}
Density: 4.625 g/cm³ 
Origin and geological occurrence: it is a common mineral in hydrothermal veins in a wide range of temperature

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Samples:

	2.1 Stibnite Cleaved prismatic crystals. Pereta, Scansano, Grosseto, Tuscany  #sulfides
	2.21 Stibnite Aggregate of prismatic crystals coated by Sb ochres. Pereta, Scansano, Grosseto, Tuscany #economic minerals