[ Top ] [ Japanese ]

Clinochlore (Photo) [abbr. Clc ]

Year of discovery: 1851 (Brinton's quarry, USA), 1927 (Japan)

Locality list: 118 localities of clinochlore

• Mg₅Al₂Si₃O₁₀(OH)₈
• (Mg,Fe²⁺)₅Al(AlSi₃)O₁₀(OH)₈
• [Mg²⁺₅][Al³⁺][(OH)₈|AlSi₃O₁₀]^13-

• Class: Chlorite group
• Class: Phyllo-Aluminosilicate - Hydroxide
• Variety: Kämmererite (Kammererite) (+Cr, Purple)
• Variety: Leuchtenbergite (-Fe, White)
• Variety: Delessite (+Fe)
• Variety: Ripidolite (+Fe)
• Variety: Pennine (Pseudotrigonal)
• Insoluble in: HCl

• Mg => Mn: Pennantite
• Mg => Ni: Nimite
• Mg => Fe: Chamosite (Series), Orthochamosite

• Mg₃ => Al₂: Sudoite

• Color: Dark grenn, Pale green
• Streak: Pale green
• Luster: Vitreous, Greasy
• Diaphaneity: Transparent-Translucent

• Cleavage: Perfect on {001} (1 plane)
• Hardness: 2-2.5
• Density: 2.7

• System: Monoclinic
• Group: 2/m, C2/m
• Lattice: a=5.4, b=9.3, c=14.3, β=97.1