Mineralogy

A study of the chemistry, structure, and physical properties of minerals.

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
CSV