Wiluite

wiluite

Ca₁₉(Al,Mg)₁₃(B,☐,Al)₅(Si₂O₇)₄(SiO₄)₁₀(O,OH)₁₀Chemical formula

TetragonalCrystal system

6.0Mohs hardness

3.36 g/cm³Density

Facts

Chemical formula: Ca₁₉(Al,Mg)₁₃(B,☐,Al)₅(Si₂O₇)₄(SiO₄)₁₀(O,OH)₁₀
Crystal system: Tetragonal
Mohs hardness: 6.0
Density: 3.36 g/cm³
Elements in formula: Calcium, Aluminium, Magnesium, Boron, Silicon, Oxygen, Hydrogen
Number of elements: 7
IMA status: Approved
Type locality: Vilyui river basin, Akhtaragda river mouth
Named after: Vilyuy