General Information:
Chemical Formula:(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72]·18(H2O)
Environment:Alteration product of basalts and as a diagenetic material in rhyolitic tuffaceous sediments and in metamorphic rocks.
Locality:Railroad cut on the north shore of Kamloops lake, British Columbia, Canada.
Name Origin:Named for Walter Frederick Ferrier (1865-1950), Canadian geologist and mining engineer.
Physical Properties: Cleavage:[100] Perfect, [001] Imperfect
Color:colorless, white, pink, orange, or red.
Density:2.06 - 2.23, Average = 2.14
Diaphaniety:Transparent to translucent
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Tabular - Form dimensions are thin in one direction.,
Hardness:3-3.5 - Calcite-Copper Penny
Luminescence:Non-fluorescent.
Luster:Vitreous - Silky
Streak:white
More details...
Atomic Mass : 257
Atomic Number : 100
Name Origins: Named after Enrico Fermi.
Year Discovered : 1942
Discovery Credits : Discovered in the debris of the 1952 thermonuclear explosion in the Pacific by G. R. Choppin, S. G. Thompson, A. Ghlorso, and B. G. Harvey.
More Details
Atomic Mass : 257
Atomic Number : 100
Name Origins: Named after Enrico Fermi.
Year Discovered : 1942
Discovery Credits : Discovered in the debris of the 1952 thermonuclear explosion in the Pacific by G. R. Choppin, S. G. Thompson, A. Ghlorso, and B. G. Harvey.
More Details
Atomic Mass : 257
Atomic Number : 100
Name Origins: Named after Enrico Fermi.
Year Discovered : 1942
Discovery Credits : Discovered in the debris of the 1952 thermonuclear explosion in the Pacific by G. R. Choppin, S. G. Thompson, A. Ghlorso, and B. G. Harvey.
More Details
