1:HORNEBLENDE
Chemical formula: Ca2(Fe,Mg)5Si8O22(OH)2
It is in the Amphibole group, and has a double chains silicate structure.
Its cleavage is two planes at 60 degrees and 120 degrees.
2:OLIVINE
Chemical formula: (Mg,Fe)2SiO4
It is in the Olivine group, with a single tetrahedra silicate structure.
It has no cleavage.
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