Name/Title
StauroliteEntry/Object ID
2023.8.5Description
About Staurolite
Formula: Fe2+2Al9Si4O23(OH)The formula can also be considered as alternating layers of kyanite and oxide, and so can be recast as:
4Al2O[SiO4].AlFe2+2O4H
Colour: Dark brown, brownish-black, red-brown
Lustre: Sub-Vitreous, Resinous
Hardness: 7 - 7½
Specific Gravity: 3.74 - 3.83
Crystal System :Monoclinic
Member of: Staurolite Group
Name: From Greek "stavros", cross, alluding to the cruciform twins it displays in some cases.
Staurolite Group.Location
Location
Display Case
FS-11Room
Frieda Smith HallBuilding
Crater Rock MuseumCategory
PermanentMoved By
Ian CunninghamDate
December 27, 2023