Mineralogy

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

Displaying 501 - 600 of 2805
Cat. # Name Description
501 00.2.3.694.0004 Quartz Crystals.
502 00.2.9.62.0005 Chondrodite None
503 00.2.6.201.0006 Rhodochrosite None
504 2006.15.0124 Quartz var. Geode Medium in size quartz geode rough, unopened rock, presumably with massive quartz crystals inside, dull luster, 7 on hardness scale, tan host rock, crystals unknown colors Color: Gray
505 1970.47.1.0202 Sphalerite None
506 00.2.4.44.0001 Hematite Oolitic. Color: RD
507 00.2.5.105.0007 Quartz Crystals of smoky quartz Cairngorm stone. Dull.
508 1995.36.0020 Analcime (Feldspathoid group) Zeolite group. Small crystals on basalt. Color: CL
509 1990.53.0064 Almandine (Garnet group) Crystals in schist. Color: RD BR
510 00.2.9.73.0008 Garnet group None
511 00.2.8.491.0010 Hematite Micaceous hematite showing banding. Color: GY
512 00.2.3.643.0001 Copper None
513 00.2.10.189.0004 Calcite Crystals.
514 00.2.6.195.0009 Celestite Pale gray. Possibly not celestite.
515 1990.53.0280 Adamite Color: TN, YL, OR Adamite image
516 00.2.3.671.0010 Tremolite Massive, foliated. Color: WH
517 2006.15.0041 Rose Quartz Small in size rose quartz specimen, candy pink rock with uneven ridges, vitreous luster, 7 on hardness scale; silicon dioxide Color: Pink
518 00.2.4.35.0002 Chalcopyrite Massive, in quartz.
519 1989.36.0003 Quartz var.Chert Chert covered with druzy quartz.
520 00.2.4.12.0013 Molybdenite Shiny, silfver-gray on a matrix containing quartz, pyrite, etc.
521 00.2.9.66.0012 Zircon None
522 00.2.6.209.0002 Malachite None
523 1970.47.1.0265 Talc Color: PK
524 00.2.15.334.0010 Almandine (Garnet group) Crystals in nephelite - syenite matrix. Color: RD BR
525 00.2.10.147.0003 Calcite Crystals. Catalog says that specimen was presented by S. H. Bishop.
526 00.2.5.112.0013 Pyrite Massive pyrite with one side covered with quartz crystals
527 1990.53.0212 Quartz Crystals. Color: PK Quartz image
528 1995.36.0051 Glaucophane Crystals embedded in a light matrix. Color: BK
529 1990.53.0103 Epidote None
530 00.2.9.90.0003 Quartz None
531 00.2.4.26.0009 Sphalerite Massive.
532 00.2.9.52.0002 Hematite Concretion showing cockscomb formation. Color: BR
533 00.2.3.653.0002 Sphalerite Sphalerite nodule with partial galena filling.
534 00.2.13.528.0001 Quartz None
535 1990.53.0317 Quartz, geode Two halves of a single geode. Quartz lined with pyrites springkled one quartz; also calcite on top.
536 1986.16.54.0009 Tourmaline group None
537 00.2.3.679.0003 Calcite Dogtooth spar.
538 2006.15.0092 Quartz var. Agate (Silicate Group) Small in size half of agate "Thunder Ball Egg" one polished face, dark blue center with lighter blue circle and an oddly shaped formation of a translucent crebace in center extending to a side, globular shaped with a tear drop shaped cluster of presumably quartz underneath, vitreous luster, 7 on hardness scale Color: Blue/Brown
539 1970.47.1.0007 Malachite None
540 00.2.4.40.0012 Microcline (Feldspar group) Galenite and pyrite.
541 00.2.5.100.0010 Quartz Twinned Crystal. Color: CL
542 1990.53.0133 Cuprite Small crystals on matrix. Color: RD
543 1995.1.0001 Quartz var. Agate (Silica group) Two pieces of Keswick agate. a. and b. Color: PK,WH
544 1990.53.0024 Barite Blue, crystals, singles & groups (typical from this location).
545 00.2.4.22.0002 Galena Massive; possibly argentiferous. Color: GY
546 00.2.9.69.0002 Microcline var. Amazonite (Feldspar group) None
547 00.2.6.232.0006 Anhydrite Gray, massive.
548 1970.47.1.0396 Pyrite None
549 00.2.23.710.0001 Quartz Crystals.
550 00.2.10.153.0005 Calcite Geode.
551 00.2.5.143.0007 Quartz, var. opal Var. girasol.
552 1990.53.0245 Mimetite Pale green crystals to 1/8" on matrix; cuprite crystals on mimetite.
553 00.2.3.665.0004 Rhodochrosite Rhococrosite on calcite.
554 11.11.0006 Calcite Brown scalenohedral crystals with clear crystals perched on tips.
555 00.2.4.30.0010 Pyrite Vial contains decomposed materail; 1 large partial strated crystal on pyrite matrix
556 00.2.3.660.0001 Corundum Rounded (stream worn) rock. Color: TN
557 1990.53.0353 Tourmaline group None
558 1987.3.0025 Barite None
559 00.2.3.694.0005 Quartz Crystals.
560 00.2.9.62.0006 Acanthite Massive. Color: GY
561 00.2.6.201.0007 Rhodochrosite With calcite on carboniferous limestone.
562 2006.15.0125 Quartz var. Geode Medium ins size half specimen of quartz geode, one polished face, outer layer of rock (brass colored) with bands of blue and translucent chalcedony (agate) with quartz crystal cluster in middle, vitreous luster, 7 on hardness scale Color: Gray, White
563 1970.47.1.0203 Sphalerite None
564 00.2.4.44.0002 Hematite Massive. Color: GK
565 00.2.5.105.0008 Quartz Smoky, greasy and crystal quartz.
566 1990.53.0179 Wulfenite None
567 1995.36.0021 Wulfenite Dull orange crystals to 7/8". Color: OR
568 1990.53.0065 Stilbite Color: RD BR
569 00.2.9.73.0009 Garnet group None
570 00.2.8.491.0011 Magnetite Crystals.
571 00.2.3.643.0002 Copper Native copper from Kansan Drift.
572 00.2.10.189.0005 Calcite Crystals.
573 00.2.6.195.0010 Cerussite Bottle of undetermined #.
574 1990.53.0281 Smithsonite Botryoidal aggregates on matrix. Color: BL
575 1973.80.3.0016 Sulfur Massive; Crystals on matrix.
576 00.2.3.672.0001 Orthoclase (Feldspar group) None
577 2006.15.0042 Rose Quartz Medium in size slab of rose quartz, two polished faces, rose pink coloured rock with uneven ridges and fractures, vitreous luster, 7 on hardness scale; silicon dioxide Color: Pink
578 00.2.4.35.0005 Chalcopyrite Nodule.
579 1992.26.0001 Bornite Massive.
580 00.2.4.13.0003 Galena Two massive; 1 showing crystal form.
581 00.2.9.66.0013 Epidote None
582 00.2.6.209.0003 Azurite Carbonate of copper.
583 1970.47.1.0268 Calcite None
584 00.2.15.696.0007 Calcite Catalog says "Two cards present. One says: Drusy surface of carboniferous limestone, Mahaska Co., Iowa. The other says: dogtooth spar on iridescent surface of limestone."
585 00.2.10.147.0007 Calcite None
586 00.2.5.112.0014 Quartz Acicular secondary quartz crystals with pyrite crystals.
587 1990.53.0213 Quartz None
588 1995.36.0052 Phlogopite Typical specimen of thin transparent plates. Color: BK
589 1990.53.0104 Clinochlore Garnet crystal pseudomorph. Color: BK GR
590 00.2.9.90.0004 Quartz Druzy quartz, calcium, iron.
591 00.2.4.26.0013 Sphalerite Two glass vials of crushed sphalerite.
592 00.2.3.655.0001 Marcasite Nodular aggregates starting to deompose.
593 00.2.13.528.0002 Quartz None
594 1990.53.0318 Pyrite None
595 1986.16.54.0010 Tourmaline group None
596 00.2.3.679.0004 Calcite Clustered dog tooth spar.
597 00.2.9.55.0008 Magnetite Massive. Color: BK
598 2006.15.0093 Quartz var. Agate (Silicate Group) Small in size half of agate "Thunder Ball Egg" host rock green, star like formation or shape, one "eye" of chalcedony, bands of chalcedony around (blue) and in center (semi-translucent color) vitreous luster, 7 on hardness scale Color: Brown/ Blue
599 1970.47.1.0008 Malachite None
600 00.2.4.40.0013 Cryolite None
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