Formula: NaMnMgSnBe2Si3O12(OH)
Origin of name: after locality Sverige = Sweden
Crystal system: orthorhombic
Crystal class: 2/m 2/m /2m
Twinning:
Unit cell:
Colour: yellow
Diaphaneity:
Luster: vitreous to dull
Habit: crystals elongated, to 2 mm, platy, segregations to 10 mm
Hardness: 6.5
Specific gravity: 3.60
Cleavage: 1; {010} perfect
Tenacity:
Streak: light yellow
Synonyms/varieties:
Comments:
| 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 |