Hydroxides
Displaying 151 - 200 of 223
Catalog # | Name | Description | ||
---|---|---|---|---|
151 | 1970.74.0013M | Franklinite | Granules in calcite. Color: BK | |
152 | 1970.74.0137M | Hematite | Pyrite "needles"; 1 TN, rest are | |
153 | 1970.74.0141M | Franklinite | One-quarter" blebs of franklinite and fewer of willemite in calcite. Color: BK | |
154 | 1970.74.0175M | Hematite | Iowa Geological survey, Iowa City, IA tag sample #9. Color: BR,BK | |
155 | 1970.74.0222M | Hematite | Ore. | |
156 | 1970.74.0313M | Limonite | None | |
157 | 1970.74.0398M | Hematite | None | |
158 | 1970.74.0536M | Limonite | Crystals | |
159 | 1970.74.0571M | Franklinite | Granules in calcite; a few granules of pale green willemite. Color: BK | |
160 | 1970.74.0617M | Limonite | None | |
161 | 1970.74.0772M | Hematite | Color: RD-BR | |
162 | 1970.74.0773M | Hematite | Massive, shaly. Color: BR | |
163 | 1970.74.0810M | Hematite | None | |
164 | 1970.74.0840M | Romanechite | Calcite fluoresces green and orange. Color: BK | |
165 | 1970.74.0852M | Limonite | Cube. | |
166 | 1970.74.0883M | Romanechite | Earthy mass. Color: BK | |
167 | 1970.74.0914M | Goethite | Stalactitic, radiating balls. Color: BK | |
168 | 1970.74.0916M | Romanechite | Brown-coated concretion. Color: BK | |
169 | 1970.74.0919M | Romanechite | Brown-coated, stalactitic. Color: BK | |
170 | 1970.74.0920M | Pyrolusite | None | |
171 | 1970.74.0925M | Goethite | Botryoidal. Color: BK | |
172 | 1970.74.0946M | Hematite | Lightweight mass. Color: GY | |
173 | 1970.74.0994M | Romanechite | Botryoidal. Color: BK | |
174 | 1970.74.1006M | Limonite | Iridescent. | |
175 | 1970.74.1016M | Brookite | Loose crystals, 1/4" - 3/8". Color: BK | |
176 | 1970.74.1043M | Magnetite | Mostly massive with chalcopyrite crystals to 1/4" in calcite. Color: BK | |
177 | 1970.74.1061M | Franklinite | Massive calcite with band of 1/8"-1/4" franklinites (fl). Color: BK | |
178 | 1970.74.1121M | Limonite | Pseudomorphs after pyrite. Color: BR | |
179 | 1970.74.1151M | Columbite (Tantalite group) | Complex, solid solution series. Columbite usually refers to ferrocolumbite FeNb2O6. Color: BK | |
180 | 1970.74.1246M | Ilmenite | Small crystal pieces. Color: BK | |
181 | 1970.74.1250M | Pyrolusite | Massive. Color: BK | |
182 | 1970.74.1286M | Hematite | Small cluster of crystals. Color: BK | |
183 | 1970.74.1304M | Chromite | Dark bands of chrome. | |
184 | 1970.74.1352M | Ilmenite | Massive, with magnetite. Color: BK | |
185 | 1970.74.1431M | Franklinite | Scattered granules and masses in calcite, 1/8" - 1/4", also some willemite grains to 1/4". Color: BK | |
186 | 1970.74.1434M | Magnetite | One-quarter" crystal in chlorite schist. Color: BK | |
187 | 1970.74.1530M | Hematite | Thin, shiny layer on matrix. Color: BK | |
188 | 1970.74.1560M | Limonite | Vial. | |
189 | 1970.74.1593M | Magnetite | Grains disseminated in matrix. Color: BK | |
190 | 1970.74.1595M | Franklinite | Massive. Color: BK | |
191 | 1970.74.1635M | Hematite | None | |
192 | 1970.74.1656M | Hematite | Specular or micaceous. Color: GY | |
193 | 1970.74.1660M | Hematite | Iron. | |
194 | 1970.74.1672M | Corundum var. Ruby | Vial of small (1/8") rubies. Color: RD | |
195 | 1987.3.0050 | Franklinite | Typical mixture of black franklinite & brown willemite grains in calcite, and franklinite in calcite. Color: BK | |
196 | 1990.5.3.0343 | Goethite | Botryoidal. Color: BK | |
197 | 1990.53.0025 | Spinel | Group of 10 3/8" crystals on dolomite(?). Color: BK | |
198 | 1990.53.0027 | Limonite | Limonite after pyrite; 2 crystals are cracked. | |
199 | 1990.53.0069 | Goethite | Shiny, column. Color: BKBR | |
200 | 1990.53.0095 | Hematite | Drusy on matrix. Color: BK |