As an adjective orthorhombic
is (crystallography) having three unequal axes at right angles.
As a noun knebelite is
(mineralogy) a silicate mineral, a manganese variety of fayalite that forms dark green orthorhombic crystals.
orthorhombic
English
Adjective
(-)
(crystallography) having three unequal axes at right angles
See also
* triclinic
* monoclinic
* hexagonal
* rhombohedral
* tetragonal
* cubic
* pseudoorthorhombic
knebelite
English
Noun
(
wikipedia knebelite)
(mineralogy) A silicate mineral, a manganese variety of fayalite that forms dark green orthorhombic crystals.
Related terms
* knebelitic