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Roweite

Year of discovery: 1937 (Franklin mine, USA), 2012 (Japan)

Locality list: A locality of roweite

• Ca₂Mn₂B₄O₇(OH)₆
• [Ca²⁺₂][Mn²⁺₂][(OH)₆|B₄O₇]^8-

• Class: Soro-Borate - Hydroxide
• Soluble in: HCl

• Mn => Mg: Fedorovskite (Series)

• Color: Pale brown
• Streak: Pale brown
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: Indistinct on {101} (2 planes)
• Hardness: 5
• Density: 2.9

• System: Orthorhombic
• Group: mmm, Pbam
• Lattice: a=9.1, b=13.4, c=8.3