Barytocalcite

Formula:  BaCa(CO3)2

Origin of name:  From Barium and calcite

 

Crystal system:  Monoclinic

Crystal class:  2

Twinning:

Unit cell:

 

Colour:  White, gray, yellowish, greenish

Diaphaneity:  Transparent to translucent

Luster:  Vitreous, resinous

Habit:  Crystals prismatic or equant; massive

Hardness:  4

Specific gravity:  3.66 to 3.71

Cleavage:  2; {210} perfect, {001} imperfect

Tenacity:

Streak:

 

Synonyms/varieties:

 

Comments:  Trimorphous with alstonite and paralstonite; fluoresces yellowish

 

Back to Alphabetical list Colour photos Thin sections SEM images TEM images vibrational spectra description IR spectra Raman spectra N-IR spectra F-IR spectra IES spectra