[vc_row][vc_column][ultimate_heading main_heading=”O – Glossary” heading_tag=”h2″][/ultimate_heading][vc_empty_space][/vc_column][/vc_row][vc_row][vc_column width=”1/3″][vc_column_text]O ray
Obsidian
Obtuse bisectrix
Obtuse bisectrix figure (Bxo)
Octahedral (cleavage)
Octahedral (coordination)
Octahedron
Ocular
Olivine
Opalescence
Opaque
Open form
Operation (symmetry)
Operator (symmetry)
Optic axis
Optic axis (OA) figure
Optic normal
Optic normal figure (ON)
Optic plane
Optic sign
Orbital (atomic)
Order of diffraction
Ordinary ray (O ray)
Ore
Ore deposit
Ore grade
Ore mineral
Organic
Orthogonal
Orthonet
Orthopyroxene
Orthorhombic
Orthorhombic (system)
Orthoscopic illumination
Orthosilicates
Ostwald ripening
Out-of-phase
Oxidation
Oxide
Oxidize[/vc_column_text][/vc_column][vc_column width=”1/3″][/vc_column][vc_column width=”1/3″][/vc_column][/vc_row]