General Information:
Chemical Formula:
HCa4Mg2Al4(SO4)8F9·32(H2O)
Composition:
(Molecular Weight = 1,833.84 gm)
Calcium 8.74 % Ca
Magnesium 2.65 % Mg
Aluminum 5.89 % Al
Hydrogen 3.57 % H
Sulfur 13.99 % S
Oxygen 55.84 % O
Fluorine 9.32 % F
Empirical Formula:
HCa4Mg2Al4(SO4)8F9·32(H2O)
Environment:
Post mining mineral in deposits containing oxidizable sufides and fluorine bearing minerals.
IMA Status:
Approved IMA 1979
Locality:
Lone Pine mine, Catron County, New Mexico.
Name Origin:
Named after Dan Lannon, who staked important claims at the locality in the late 1800's.
Physical Properties:
Color:
white.
Density:
2.22
Habits:
Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., Nodular - Tuberose forms having irregular protuberances over the surface.,
Hardness:
2 - Gypsum
Luster:
Earthy (Dull)
Streak:
white
More details...