Formula :
(Mg,Fe2+)4Al2[(OH)_8_/Al2Si2O10]
System: hexagonal Hardness:2½-3 Rarity:rare
Strunz id:VIII/H.27-100 -
SILICATES
Name origin: Named in 1876 by Charles Upham Shepard in honor of James Tyler Ames [May 13, 1810 Lowell, Massachusetts, USA - February 16, 1883 Chicopee, Massachusetts, USA], who was part owner of the Chester Emery Mines. Ames came from a family of inventors and manufacturers.
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