OF ARKANSAS. 171 
Carbonate of lime++ssessceecreteees . trace 
Water --... eka vay cosa ea) ices fp aayse aya te Saco aighahalie ahetacane . 12.080 
99.934 
58.278 parts of peroxide of iron contains 40.79 parts of metallic iron. 
No. 27. Limonite, from Dr. Payne’s land, Pocahontas, Randolph county. 
Massive; reddish-brown, with yellow spots on surface; rather earthy in 
appearance; evolves argillaceous odor when breathed upon, and adheres 
to the tongue. Powder dark brownish-red, becoming rather more red on 
ignition. 
Composition of air-dried ore: 
Clay and sand. ++ +e. sees eee e cece eee e ce eeeee se. 21.100 
Sesquioxide of iron++.+.+.++- Deen ede reece eee nes 69.036 
Sesquioxide of manganese-+-+serseereveeeer veces 1.488 
ARITA, oie oie wie he os ewer oe ela ws Pee tere eee trace 
Carbonate of lime--..++seeevee et Sees He me a trace 
WATER a: oxi a aw Gea, ORE aa ae BS ae BENS 7.590 
99.214 
69.036 parts of sesquioxide of iron contain 48.33 parts of metallic iron. 
No. 28. Limonite, from Alfred Bevens & Co., Lawrence county. 
Massive; of earthy appearance and yellow color on and near the sur- 
face, in the interior brownish-yellow and more compact; evolves strong 
argillaceous odor when breathed upon; adheres to the tongue. Powder 
dirty brownish-yellow. 
Composition of air-dried ore: 
Silica. cs eee eee ewe es LOM Se CUR sew RANE aoe Be aue 3.099 
Sesquioxide Of TONMs + oe eer emer sree eres te tee eae 79.663 
Sesquioxide of manganese+++++++ sees eee reer e ees trace 
AJUMING eer etter eee ee ee enw e meee en ee rene erene 5.203 
Carbonate of lime. ++ sec ese eens ea ree nent eee nneee 0.556 
Water scree eres erence rece serser eves vrseesevene 11.397 
99.918 
79.663 parts of sesquioxide of iron contain 55.76 parts of metallic iron. 
No. 29. Limonite, so-called “pot and kidney ore,” from Alfred Bevens 
& Co., Lawrence county. 
Massive; compact, stalactitic and reniform; surface smooth, of reddish- 
