General Information:
Chemical Formula:
(V++++O)SO4·6(H2O)
Composition:
(Molecular Weight = 271.10 gm)
Vanadium 18.79 % V
Hydrogen 4.46 % H
Sulfur 11.83 % S
Oxygen 64.92 % O
Empirical Formula:
V4+O(SO4)·6(H2O)
IMA Status:
Approved IMA 1980
Locality:
Minasragra, Peru.
Name Origin:
Named for Henry Morton Stanley (1841-1904), British journalist and explorer ("Dr. Livinston I presume?")
Physical Properties:
Cleavage:
None
Color:
blue or deep blue.
Density:
1.95
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.,
Hardness:
1-1.5 - Talc or a little harder
Luminescence:
Non-fluorescent.
Streak:
white
More details...