murmanite

Name:

murmanite

Class:

Silicates

Chemistry:

Na2(Ti, Nb)2Si2O9 *nH2O Sodium Titano/Niobium Silicate

Color(s):

Lilac, pink, bright-pink

Hardness:

2 - 3

SpecGrav:

2.76 - 2.84

Fracture:

uneven

Cleavage:

perfect

Crystal:

Triclinic? Euhedral crystals rare, aggregates of platy crystals, or small lamellar masses

Envronment:

alkali pegmatites, nepheline-syenite

Association:

aegirine, microcline, eudialyte, sodalite

Locals:

| Russia | Canada |

Misc:

Very rare mineral, looks a little like lepidolite