A study of the chemistry, structure, and physical properties of minerals.
Mineralogy
Displaying 2301 - 2400 of 2805
Cat. # | Name | Description | ||
---|---|---|---|---|
2301 | 1970.74.0767M | Spodumene | None | |
2302 | 1970.74.0769M | Albite (Feldspar group) | Indicolite crystals m/m in albite feldspar. | |
2303 | 1970.74.0770M | Hornblende | Small individual crystals in "aphanite". Color: BK | |
2304 | 1970.74.0771M | Pyrite | Massive in matrix. | |
2305 | 1970.74.0772M | Hematite | Color: RD-BR | |
2306 | 1970.74.0773M | Hematite | Massive, shaly. Color: BR | |
2307 | 1970.74.0775M | Quartz | Crystals on Jamesonite? | |
2308 | 1970.74.0777M | Pyrite | Shiny, crystalline aggregate. | |
2309 | 1970.74.0778M | Turquoise | Pale blue small veins in trychite tuff. | |
2310 | 1970.74.0779M | Malachite | None | |
2311 | 1970.74.0780M | Calcite | None | |
2312 | 1970.74.0782M | Actinolite (Amphibole group) | Cut slabs of variety known as nephrite. Color: BK | |
2313 | 1970.74.0794M | Pyrite | Ore material; pyrite, bornite, quartz, etc. | |
2314 | 1970.74.0797M | Gypsum | Brownish selenite "roses". | |
2315 | 1970.74.0799M | Pectolite | None | |
2316 | 1970.74.0800M | Lepidolite | Polished cabochon. Color: LV | |
2317 | 1970.74.0803M | Glauberite | Crystal cluster gray. | |
2318 | 1970.74.0804M | Quartz | Crystals; one faceted. | |
2319 | 1970.74.0806M | Pyrite | Massive, brassy, minor galena (could be chaldopyrite) | |
2320 | 1970.74.0807M | Quartz | Quartz; on? | |
2321 | 1970.74.0808M | Sulfur | Sulfur diamonds in coal shale. | |
2322 | 1970.74.0809M | Sulfur | Massive; Refined. | |
2323 | 1970.74.0810M | Hematite | None | |
2324 | 1970.74.0812M | Copper | Native copper. | |
2325 | 1970.74.0819M | Barite | Piece of vug barite crystals on calcite crystals; minor pyrite. | |
2326 | 1970.74.0831M | Quartz | Crystals. | |
2327 | 1970.74.0834M | Pyrope (Garnet group) | Rhodolite garnet. | |
2328 | 1970.74.0835M | Azurite | None | |
2329 | 1970.74.0836M | Pyrite | Ore material; quartz, pyrite & | |
2330 | 1970.74.0837M | Quartz, var. opal | None | |
2331 | 1970.74.0838M | Epidote | Crystals on quartz and massive epidote.. | |
2332 | 1970.74.0839M | Gypsum | Selenite rose, brownish/tan. Color: TN | |
2333 | 1970.74.0840M | Romanechite | Calcite fluoresces green and orange. Color: BK | |
2334 | 1970.74.0841M | Gypsum | Selenite crystal clusters.n. | |
2335 | 1970.74.0842M | Calcite | Crystals on calcite; Fluoresces orange. | |
2336 | 1970.74.0843M | Calcite, pseudomorph | After mica. Fluoresces orange. | |
2337 | 1970.74.0844M | Gypsum | Var. selenite, clear, flat crystal. | |
2338 | 1970.74.0845M | Calcite | None | |
2339 | 1970.74.0846M | Quartz, geode | Geode and fragment of one. | |
2340 | 1970.74.0847M | Apatite group | Small dark green patch in matrix in matrix. (fluores. orange) (manganapatite) | |
2341 | 1970.74.0848M | Orthoclase (Feldspar group) | None | |
2342 | 1970.74.0849M | Fluorite | Concentrate; calcite coating; fluoresces, long wave; tube, approx. 200+ | |
2343 | 1970.74.0850M | Scheelite | White granules and powder in baby food jar; fl. blue. | |
2344 | 1970.74.0851M | Quartz, amethyst | Crystals. | |
2345 | 1970.74.0852M | Limonite | Cube. | |
2346 | 1970.74.0857M | Gypsum | Clear, massive; weathered translucent "rose". | |
2347 | 1970.74.0860M | Pyrite | None | |
2348 | 1970.74.0861M | Celestite | Pale blue-gray massive. | |
2349 | 1970.74.0870M | Rhodonite | None | |
2350 | 1970.74.0872M | Quartz, var. opal | None | |
2351 | 1970.74.0873M | Andalusite | Var. chiastolite; 1 whole cigar shaped crystal, 1 half crystal, 2 slices. Color: BR,WH | |
2352 | 1970.74.0874M | Quartz | Quartz crystals and agate. | |
2353 | 1970.74.0876M | Tourmaline group | Crystals. Color: BK | |
2354 | 1970.74.0877M | Quartz | Crystals. | |
2355 | 1970.74.0879M | Sulfur | Refined. | |
2356 | 1970.74.0880M | Muscovite | Clusters of muscovite crystals; red ratile on a couple of specimens. Color: GR SL | |
2357 | 1970.74.0881M | Actinolite (Amphibole group) | Thin, felty sheets. Color: GR | |
2358 | 1970.74.0882M | Halite | Halite crystals on branches; highly fluoresces. | |
2359 | 1970.74.0883M | Romanechite | Earthy mass. Color: BK | |
2360 | 1970.74.0888M | Quartz | Cave druzy quartz on matrix. | |
2361 | 1970.74.0889M | Chrysocolla | Small pale veins in Kingston conglomerate. Color: GR | |
2362 | 1970.74.0890M | Aragonite | None | |
2363 | 1970.74.0891M | Glauberite | Crystal cluster. | |
2364 | 1970.74.0898M | Olivine | None | |
2365 | 1970.74.0899M | Chrysocolla | None | |
2366 | 1970.74.0903M | Aragonite | None | |
2367 | 1970.74.0904M | Tourmaline group | Var. schorl in feldspar. | |
2368 | 1970.74.0906M | Pyrite | Needle quartz with pyrite crystals. | |
2369 | 1970.74.0907M | Covellite | Blue covellite mixed with chalcopyrite. | |
2370 | 1970.74.0908M | Aragonite | None | |
2371 | 1970.74.0909M | Turquoise | Veins and coatings of pale blue. | |
2372 | 1970.74.0910M | Enargite | Silver enargite crystals with gold pyrite crystals | |
2373 | 1970.74.0911M | Rhodochrosite | None | |
2374 | 1970.74.0912M | Quartz var. tiger eye | Cut slab; shows some chatoyancy - "tiger eye". Color: GR | |
2375 | 1970.74.0914M | Goethite | Stalactitic, radiating balls. Color: BK | |
2376 | 1970.74.0915M | Pyrite | Small cluster of 3 crystals. | |
2377 | 1970.74.0916M | Romanechite | Brown-coated concretion. Color: BK | |
2378 | 1970.74.0917M | Pyrite | Coating of iridescent drusy pyrite on iron-rich matrix | |
2379 | 1970.74.0919M | Romanechite | Brown-coated, stalactitic. Color: BK | |
2380 | 1970.74.0920M | Pyrolusite | None | |
2381 | 1970.74.0925M | Goethite | Botryoidal. Color: BK | |
2382 | 1970.74.0927M | Aragonite | None | |
2383 | 1970.74.0928M | Barite | "Desert rose". | |
2384 | 1970.74.0929M | Gypsum | Var. selenite; flat, clear crystal groups. | |
2385 | 1970.74.0932M | Gypsum | Gray, weathered, translucent. | |
2386 | 1970.74.0933M | Celestite | White, massive, celestite filling center of geode section, fl. rose. | |
2387 | 1970.74.0934M | Calcite | Geode; Fluoresces bright red. | |
2388 | 1970.74.0935M | Gypsum | Selenite "roses". | |
2389 | 1970.74.0937M | Gypsum | Var. selenite, crystal clusters, reddish brown, sand incorporated. | |
2390 | 1970.74.0938M | Gypsum | Var. selenite, single "hour-glass" crystals. | |
2391 | 1970.74.0939M | Chrysotile | Three-inch long bundles of fibers. Color: GD | |
2392 | 1970.74.0940M | Sulfur | Crystals on matrix. | |
2393 | 1970.74.0941M | Pyromorphite | Green crystals to 1/4" intertwined with matrix. | |
2394 | 1970.74.0942M | Bornite | Massive, tarnished to iridescence. | |
2395 | 1970.74.0944M | Aragonite | Crystals. | |
2396 | 1970.74.0945M | Calcite | Crystals. Triangle shape, seeming to contain a phantom | |
2397 | 1970.74.0946M | Hematite | Lightweight mass. Color: GY | |
2398 | 1970.74.0947M | Mimetite | White is calcite. Color: BR,WH | |
2399 | 1970.74.0948M | Kyanite | Crystal fragment. Color: BL | |
2400 | 1970.74.0950M | Quartz | Crystals; with amethyst coloring. Shwo a definite decompostion by some other mineral. Color: PR |