370 APPENDIX V.

5. There was 0"212 % of argillaceous earth, found in the sample No. 2.

Table of Eesults thus obtained from Oee No. 2.

a. In 100 parts containing Water.

1-435 Water . . .

.

Loss at red heat Quartz and sand Silicic acid Oxide of iron .

.

Phosphoric acid Arsillaceous earth 10-271 13-715 3-511 70-412 0-390 0-212 99-946 49-3 % Iron. 0-163 % Phosph.

b. In 100 parts dried at 100°.

10-4199,295 13-9138,675 3-5619,095 71-4328,748 0-3956,55 0-2150,74 50-0 %Ii-on. 0-172 % Phosph.

99-93 Both ores must be considered as " Swamp iron ore," and could be used for manufactming pm-poses ; but the percentage of iron contained in them is not very large.

EICHAKD CASPAKI, Director of the Technical State School.

Chemnitz, Saxony, 14!;/i November, 1881.