کیزریت

Key facts

Mineral.name

Kieserite

Mineral.category

Sulfate minerals

Mineral.image

Kieseriet (Kieserite).jpg

Mineral.imagesize

260px

Mineral.formula

MgSO4·H2O

Mineral.IMAsymbol

Ksr

Mineral.strunz

7.CB.05

Mineral.dana

29.6.2.1

Mineral.system

Monoclinic

Mineral.class

Prismatic (2/m) (same H-M symbol)

Mineral.symmetry

C2/c

Mineral.unit cell

a = 7.51 Å, b = 7.61 Å c = 6.92 Å; β = 116.17°; Z = 4

Mineral.color

Colorless, grayish-white or yellowish

Mineral.habit

Massive, granular; rarely as pyramidal crystals

Mineral.twinning

Contact on {001}, polysynthetic about [110]

Mineral.cleavage

{110} and {111} perfect

Mineral.fracture

Uneven

Mineral.tenacity

Fragile

via Wikipedia infobox