ⴳ 11 ⴷⵓⵊⴰⵏⴱⵉⵔ 2013, “ⵜⵏⵏⴰ ⵜⵙⵏⵓⵔⴰⵢⵜ ⵏ ⵏⴰⵣⴰ ⵎⴰⵙⴷ ⵜⵓⴼⴰ ⵉⵣⵓⵖⴰⵔ ⵢⴰⵖⵏ ⴳ ⵡⴰⵍⵓⴹ (ⵙ ⵓⵥⵍⴰⵢ phyllosilicates), ⵇⴰⴷ ⵡⴰⵍⴰ ⵜⵙⵍⵖ ⵙ ⵜⴰⵏⴳⵉⵡⵉⵏ ⵜⵉⵏⴳⵎⴰⵡⵉⵏ ⵖⴼ ⵜⵇⵛⵕⵜ ⵏ ⵓⴳⵔⵉⵙ ⵏ ⵓⵕⵓⴱⴱⴰ.