Mineralogy

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

Displaying 801 - 900 of 2805
Cat. # Name Description
801 00.2.3.658.0004 Sulfur None
802 00.2.4.31.0005 Pyrite Crystals on small quartz crystals. Massive pyrite with pyrite & quartz crystals in vug at one end.
803 00.2.9.51.0003 Hematite Earthy, massive. Color: RD
804 1986.16.54.0017 Tourmaline group None
805 00.2.3.688.0002 Gypsum Variety alabaster, cut & polished semi-circle.
806 00.2.5.101.0002 Halite Massive; (Book - Quartz crystals, 1 specimen).
807 1970.47.1.0009 Malachite None
808 1995.36.0007 Calcite Scalenohedral crystals to 3" on galena cubes and sphalerite with small marcasite crystal grouping. Color: GD
809 1990.53.0063 Galena Cluster of cubes dotted with small sphalerite crystals. Color: GY
810 1990.53.0251 Mesolite Hydrated sodium calcium aluminum silicate
811 00.2.13.512.0008 Quartz, geode Fragment.
812 1990.53.0252 Tourmaline group None
813 00.2.13.513.0003 Sphalerite Hand- nice black crystal cluster. Miniature - calcite cleavage fragment Color: BR
814 00.2.4.46.0001 Sulfur None
815 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
816 00.2.5.203.0004 Aragonite None
817 00.2.9.66.0001 Almandine (Garnet group) Large crystal cluster, with quartz and feldspar matrix. Color: BR
818 00.2.3.641.0001 Copper Native copper in conglomerate.
819 00.2.6.230.0001 Gypsum Orange, var. selenite.
820 00.2.3.670.0004 Feldspar Crystals.
821 11.11.0009 Calcite Geode, with large yellow crystals; 2 halfs
822 1990.53.0374 Malachite Small, pale stalactitic groups on matrix. Color: GR
823 1989.36.0003 Quartz var.Chert Chert covered with druzy quartz.
824 1990.53.0186 Wulfenite Thin, square brown crystal cluster crystals to 5/16".
825 00.2.10.153.0004 Calcite Geode.
826 00.2.3.663.0002 Skutterudite Massive; possible erythrite on one corner. Color: GY-YL
827 00.2.4.38.0005 Marcasite Glass tube - small pieces & dust; TN - decomposing; M - small crystal aggregate
828 2006.15.0039 Quartz, amethyst Small in size amethyst crystal, deep violet colour, vitreous luster, 7 on hardness scale; silicon dioxide Color: Violet
829 00.2.4.11.0002 Sulfur Massive, in matrix.
830 00.2.5.105.0011 Quartz Smoky quartz.
831 1970.47.1.0206 Galena None
832 00.2.9.54.0001 Magnetite Fine grained.
833 1995.36.0040 Galena Large stepped cube, with marcasite crystals and small ruby sphalerites. Color: GY
834 1990.53.0101 Dioptase None
835 1990.53.0291 Calcite Milky calcite clusters on iron stained quartz Xtals.
836 00.2.15.327.0003 Calcite [Cephenomenal boulderet.(original catalog description)] Calcite crystals with vitreous encrustation on dark massive limestone/dolomite. Color: ML
837 00.2.6.199.0011 Gypsum Crystal cleaved in almost perfect halves; a. and b.
838 1970.47.1.0374 Sphalerite Small damaged pale orange crystals on matrix.
839 00.2.6.196.0003 Barite White, lamellar.
840 00.2.3.651.0001 Halite None
841 00.2.4.28.0009 Sphalerite Massive, rough cleavage faces & crystals.
842 00.2.7.395.0003 Malachite Catalog says that specimen has no. "751" in addition to "395-3". Color: GR, GY, BR, WH Malachite image
843 1978.46.0043M Calcite None
844 00.2.3.675.0006 Chondrodite None
845 1990.53.0023 Barite White, bladed crystals to 3/8".
846 1990.53.0219 Gypsum Var. selenite, reddish brown "rose".
847 00.2.10.189.0004 Calcite Crystals.
848 00.2.4.41.0005 Franklinite Color: BK
849 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
850 00.2.4.17.0002 Galena Galena in quartz matrix. Core sample. Color: GY,TN
851 00.2.5.115.0002 Quartz Quartz-chalcedony.
852 00.2.9.60.0002 Limonite None
853 00.2.6.205.0004 Azurite None
854 00.2.9.91.0007 Nickeline Massive. Color: PK
855 1990.53.0338 Chalcopyrite Massive, on matrix.
856 1970.47.31.0002 Calcite Crystals.
857 1987.3.0024 Gypsum Transparent, tan plate.
858 00.2.9.72.0011 Zircon None
859 1990.53.0144 Dioptase Scattered tufts on galena crystals. Color: GR
860 00.2.10.146.0010 Calcite Crystals.
861 00.2.3.658.0005 Sulfur Sulfur crystals.
862 00.2.4.31.0006 Pyrite Partial crystals.
863 00.2.9.51.0004 Hematite One is partially oolitic; one almost shaly. Color: RD-BR
864 1986.16.54.0018 Tourmaline group None
865 00.2.3.690.0011 Quartz Cellular--crystalline quartz.
866 00.2.5.101.0004 Quartz Plumbiferous and pyritiferous.
867 1970.47.1.0010 Malachite None
868 1995.36.0008 Calcite Single, doubly terminated. Scalenohedral crystal. Color: GD
869 1990.53.0064 Almandine (Garnet group) Crystals in schist. Color: RD BR
870 1990.53.0253 Millerite Hairs on calcite. Color: GD
871 00.2.13.528.0001 Quartz None
872 00.2.4.47.0001 Pyrite None
873 2006.15.0123 Quartz var. Geode Medium in size quartz geode rough, unopened rock, possibly agate, presumably massive quartz crystals within, dull luster, 7 on hardness scale, crystals unknown colors Color: Brown
874 00.2.5.97.0002 Quartz One large and one small.
875 00.2.3.641.0003 Copper Copper, native.
876 00.2.6.230.0002 Gypsum Clear crystal pieces.
877 00.2.3.670.0006 Feldspar Orthoclase common feldspar.
878 11.11.0010 Fluorite Purple fluorite crystals with some cream colored calcite crystals.
879 1990.53.0375 Wavellite Dark green hemispheres on matrix.
880 1990.53.0187 Wulfenite Orange-brown, square, thin, crystals to 1/8".
881 00.2.10.153.0005 Calcite Geode.
882 00.2.3.663.0004 Stannite Small, dark gray crystals
883 00.2.4.38.0008 Marcasite Massive with crystal faces; possible chalcopyrite also
884 2006.15.0040 Rose Quartz Large in size rose quartz specimen, milky candy pink coloured rock with uneven ridges, vitreous luster, 7 on hardness scale; silicon dioxide Color: Pink
885 00.2.4.11.0004 Sulfur None
886 1970.47.1.0207 Galena None
887 00.2.9.54.0003 Magnetite None
888 1995.36.0041 Galena Large galena cubes with some faces modified to cubo-octahedrons; sphalerite crystals on galena. Color: GY
889 1990.53.0103 Epidote None
890 1990.53.0292 Quartz, geode None
891 00.2.6.200.0001 Gypsum Seam of clear crystals.
892 1970.47.1.0375 Dolomite Dolomite with chalcopyrite crystals..
893 00.2.6.196.0004 Barite Crystalline massive.
894 00.2.9.68.0014 Feldspar Color: GR
895 00.2.3.651.0002 Halite None
896 00.2.4.29.0001 Cinnabar Specimen crumbling.
897 00.2.7.395.0004 Azurite None
898 1978.61.2.0001 Gypsum Var. selenite, crystal group.
899 00.2.3.675.0007 Thomsonite None
900 1990.53.0024 Barite Blue, crystals, singles & groups (typical from this location).
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