A study of the chemistry, structure, and physical properties of minerals.
Mineralogy
Displaying 201 - 300 of 2805
Cat. # | Name | Description | ||
---|---|---|---|---|
201 | 1970.47.1.0390 | Pyrite | None | |
202 | 00.2.3.655.0003 | Marcasite | Marcasite--radiating structures. | |
203 | 00.2.6.196.0002 | Barite | Massive, white. | |
204 | 00.2.9.56.0003 | Cassiterite | Small nuggets (all but 1 larger in glass vial). Color: BR | |
205 | 00.2.6.240.0006 | Azurite | Crystals. | |
206 | 00.2.3.678.0003 | Calcite | Calcite rhomb spar exhibiting refraction; var. Iceland spar | |
207 | 1990.53.0369 | Calcite | None | |
208 | 00.2.4.32.0008 | Pyrite | A few crystals embedded in quartz. | |
209 | 2006.15.0038 | Quartz, amethyst | Medium in size amethyst specimen, uneven ridges, area that may crack near number, murky violet colour with visible bands of quartz throughout specimen, vitreous luster, 7 on hardness scale; silicon dioxide Color: Violet | |
210 | 00.2.9.69.0010 | Feldspar | Labradorite feldspar. | |
211 | 1987.3.0032 | Quartz | None | |
212 | 1990.53.0125 | Cuprite | Var. chalcatrichite, acicular (in perky box). Color: RD | |
213 | 00.2.9.90.0008 | Barite | Not really barite specimens. 2 + 1. | |
214 | 00.2.4.20.0003 | Hematite | Massive, specular. Color: GY | |
215 | 1973.80.3.0016 | Sulfur | Massive; Crystals on matrix. | |
216 | 1995.36.0035 | Heulandite | Group of crystals on basalt. Zeolite group. Color: WH,CL | |
217 | 00.2.4.8.0016 | Azurite | None | |
218 | 00.2.23.710.0007 | Quartz | Botryoidal. Inside of geode. | |
219 | 00.2.5.113.0013 | Quartz | Quartz-wood agate. | |
220 | 00.2.10.159.0002 | Calcite | Crystals on carboniferous limestone. | |
221 | 1990.53.0069 | Goethite | Shiny, column. Color: BKBR | |
222 | 1990.53.0237 | Sphalerite | None | |
223 | 00.2.6.204.0007 | Smithsonite | None | |
224 | 1970.47.1.0009 | Malachite | None | |
225 | 00.2.4.24.0005 | Galena | Group of cubic crystals coated with drusy pyrites. Color: GY | |
226 | 00.2.3.660.0003 | Corundum | Massive with magnetite known as emery. Color: BK | |
227 | 00.2.15.331.0003 | Scheelite | Pale gray, massive. | |
228 | 00.2.9.64.0006 | Augite (Pyroxene group) | Pyroxene-augite. Volcanic. | |
229 | 00.2.9.51.0001 | Hematite | Massive red with black botryoidal coating. Color: RD-BK | |
230 | 00.2.3.693.0003 | Quartz | Drusy quartz slightly amethystone. | |
231 | 00.2.4.4.0011 | Silver | 80%. | |
232 | 00.2.5.101.0002 | Halite | Massive; (Book - Quartz crystals, 1 specimen). | |
233 | 2006.15.0088 | Quartz | Quartz-Agate Medium in size fire agate specimen, banded and core of agate is visible, red, brown, orange, and semi-translucent coloring, dull to vitreous luster, 7 on hardness scale Color: Red, Brown | |
234 | 00.2.9.75.0010 | Dolomite | None | |
235 | 1990.53.0172 | Tourmaline group | None | |
236 | 1970.47.1.0258 | Gypsum | Var. selenite, clear cleavage fragments. | |
237 | 11.11.0009 | Calcite | Geode, with large yellow crystals; 2 halfs | |
238 | 1986.16.54.0010 | Tourmaline group | None | |
239 | 2006.15.0010 | Barite | A cabinet sized specimen with a waxy luster and well developed white and brown crystals. The underside of the main face is more rough and rust colored. Color: CR BR | |
240 | 00.2.3.644.0004 | Quartz | Quartz, pyrite, galenite? | |
241 | 00.2.5.203.0004 | Aragonite | None | |
242 | 00.2.11.264.0001 | Hematite | Crystals, 1/2" - 1/4", on matrix (after magnetite). Color: BK | |
243 | 1990.53.0108 | Celestite | White, bladed crystals, intertwined. Calcite crystals to 3/8". | |
244 | 1990.53.0271 | Rhodochrosite | Pale pink rhodochrosite crystals on quartz crystal matrix | |
245 | 00.2.6.229.0007 | Gypsum | Pink, massive granular. | |
246 | 1970.47.1.0206 | Galena | None | |
247 | 00.2.4.29.0012 | Pyrrhotite | Massive, black. | |
248 | 00.2.9.67.0013 | Muscovite | Crystal. Color: CL | |
249 | 00.2.4.12.0008 | Graphite | None | |
250 | 1995.36.0004 | Calcite | Modified scalenohedron. Center zone is clear gold, outer zone opaque and paler gold; crystals on & cementing limestone fragments with small sphalerite crystals. Color: GD | |
251 | 00.2.4.42.0008 | Pyrite | Granular mixture of pyrite & galena with small vug showing small crystals of both | |
252 | 00.2.15.696.0020 | Sphalerite | Massive sphalerite cementing pieces of matrix. Color: BR | |
253 | 00.2.5.105.0011 | Quartz | Smoky quartz. | |
254 | 00.2.10.150.0002 | Calcite | Styolitic. | |
255 | 2006.15.0122 | Quartz var. Geode | Medium in size quartz geode rough, unopened rock, possibly agate, presumably with quartz crystals inside, dull luster, 7 on hardness scale, crystals unknown colors Color: Brown | |
256 | 1990.53.0029 | Calcite, butterfly | None | |
257 | 1990.53.0205 | Pyrite | Nice group of crystals to 1/2"; striated, pyritohedral. | |
258 | 00.2.6.199.0008 | Gypsum | Var. selenite, clear flat cleavage pieces. | |
259 | 1970.47.1.0391 | Pyrite | LS. | |
260 | 00.2.3.655.0005 | Realgar | Almost totally changed to orpiment -As2S2. Color: OR | |
261 | 00.2.6.196.0003 | Barite | White, lamellar. | |
262 | 00.2.9.56.0004 | Cassiterite | Ore | |
263 | 00.2.7.395.0001 | Malachite | Malachite crystals and other copper ores. | |
264 | 00.2.3.678.0005 | Calcite | Secondary crystals. | |
265 | 1990.53.0370 | Manganite | Vug of crystals in slag. Color: BK | |
266 | 00.2.4.32.0009 | Quartz | Quartz crystals on pyritiferous rock. | |
267 | 2006.15.0039 | Quartz, amethyst | Small in size amethyst crystal, deep violet colour, vitreous luster, 7 on hardness scale; silicon dioxide Color: Violet | |
268 | 00.2.9.69.0011 | Feldspar | Color: PK | |
269 | 1987.3.0034 | Fluorite | Mayflower; may be fluorescent. | |
270 | 1990.53.0126 | Calcite | Eight specimens, a. - h. | |
271 | 00.2.9.91.0007 | Nickeline | Massive. Color: PK | |
272 | 00.2.4.20.0005 | Quartz | Quartz, chalcopyrite, barite (?), tarnished galenite. | |
273 | 1974.25.0002 | Halite | Rock salt in vial; numerous pieces. Deaccession candidate "Used to melt salt on sidewalks". Unknown quantity in bottle. | |
274 | 1995.36.0036 | Talc | Scam of translucent talc. Color: GR-WH | |
275 | 00.2.23.710.0017 | Quartz | Iron, stained quartz crystals. | |
276 | 00.2.5.115.0002 | Quartz | Quartz-chalcedony. | |
277 | 00.2.10.159.0004 | Calcite | Drusy iridescent calcite crystals on black limestone. | |
278 | 1990.53.0070 | Clinochlore | Garnet crystal pseudomorph. Color: GR | |
279 | 1990.53.0238 | Stibnite | Interlocking dark silver crystals. | |
280 | 00.2.6.204.0008 | Strontianite | None | |
281 | 1970.47.1.0010 | Malachite | None | |
282 | 00.2.3.660.0004 | Kyanite | Crystal aggregate. Color: BL | |
283 | 00.2.15.331.0007 | Wulfenite | Small, golden cubes in vugs. | |
284 | 00.2.9.64.0008 | Forsterite | Olivine. | |
285 | 00.2.9.51.0002 | Hematite | With copper. | |
286 | 1970.74.0316M | Pyrophyllite | Radiating crystal aggregate. Color: WH | |
287 | 00.2.5.101.0004 | Quartz | Plumbiferous and pyritiferous. | |
288 | 1967.004 | Olivine | None | |
289 | 2006.15.0089 | Quartz | Quartz-Agate Small in size specimen of fire agate, rough pebble texture, red, orange, semi-translucent yellow coloration, dull to vitreous luster, 7 on hardness scale Color: Red, Orange | |
290 | 1970.0075 | Quartz, geode | Quartz geode. Large fragment. Thin shell; inside surface covered with crystals. | |
291 | 2006.15.0090 | Quartz | Quartz-Agate Medium in size agate formation known as "thunderball eggs" one polished face (half), bands of white chalcedony across rock and outlining edges, star shaped, middle filled with yellowish and blueish water looking substance encased in host rock, dull to vitreous luster, 7 on hardness scale; silicon dioxide Color: Brown, Blue | |
292 | 00.2.9.75.0011 | Celestite | Pale blue-gray crystal section. | |
293 | 1990.53.0173 | Tourmaline group | None | |
294 | 1970.47.1.0261 | Talc | Color: PK | |
295 | 11.11.0010 | Fluorite | Purple fluorite crystals with some cream colored calcite crystals. | |
296 | 1986.16.54.0011 | Tourmaline group | None | |
297 | 00.2.3.645.0001 | Galena | Group of cubic crystals, largest 1" x 1" Color: GY | |
298 | 00.2.5.97.0002 | Quartz | One large and one small. | |
299 | 00.2.11.264.0003 | Carnotite | Yellow coating. | |
300 | 1990.53.0109 | Celestite | White, bladed crystals, intertwined. |