The study of the origin, chemistry, distribution, and structure of rocks.
Petrology
Displaying 801 - 900 of 1437
Cat. # | Name | Description | ||
---|---|---|---|---|
801 | 00.3.15.319.0007 | Gumbo, burnt | None | |
802 | 00.2.9.92.0002 | Psilomelane | Ore--oxides of manganese. | |
803 | 00.3.15.696.0012 | Septarian | Concretionary. "Turtlestone". | |
804 | 1989.48.0003 | Lava | Color: BK | |
805 | 00.3.23.716.0017 | Quartzite | None | |
806 | 00.3.11.263.0002 | Tuff | Rhyolite tuff. | |
807 | 00.3.6.205.0007 | Copper | None | |
808 | 00.3.11.246.0007 | Schist | Hornblend schist. | |
809 | 2006.15.0047 | Obsidian | Very small piece of obsidian, uneven ridges, resembles glass, dull to vitreous luster, 5-6 on hardness scale Color: Black | |
810 | 00.3.15.301.0007 | Schist | Crumpled laminae. | |
811 | 1970.47.1.0468 | Chert | None | |
812 | 00.3.9.58.0006 | Septarian, limonite | None | |
813 | 00.3.15.334.0005 | Quartzite | None | |
814 | 00.3.10.180.0010 | Limestone | None | |
815 | 1990.53.0151 | unk | None | |
816 | 00.3.3.676.0001 | Serpentine | None | |
817 | 00.3.13.512.0002 | Soil | Soil from "The Merse", a group of farms famous for their fertility, adjoining Duns, Scotland. | |
818 | 1970.47.1.0001 | Rock | None | |
819 | 00.3.6.213.0002 | Coal | Anthracite. | |
820 | 00.3.11.255.0009 | Shale | None | |
821 | 00.3.4.8.0011 | Silver | Hard carbonate ore. | |
822 | 1966.0017 | Rock | Large porous brown and white crystalline rock. | |
823 | 00.3.15.343.0009 | Pebbles | None | |
824 | 00.3.5.137.0013 | Obsidian | Var. Pitchstone. | |
825 | 00.3.11.242.0001 | unk | No specimen. Label: Broken stone from boulders used for macadamizing roads in Denmark. | |
826 | 1991.38.1.0015 | Clay | Painted cliffs Color: PK | |
827 | 00.3.4.2.0013 | Gold | None | |
828 | 1970.47.1.0418 | Ore, zinc | Zinc and copper. | |
829 | 00.3.6.235.0011 | Jet | Massive Color: BK | |
830 | 00.3.15.319.0008 | Nodule, iron | Broken. | |
831 | 00.2.9.92.0004 | Psilomelane | Ore; impure wad. | |
832 | 00.3.15.696.0013 | Cone-in-cone | None | |
833 | 1989.48.0005 | Lava | A-a lava. Color: BK | |
834 | 00.3.3.640.0009 | Alabandite | None | |
835 | 00.3.11.263.0003 | Scoria | Vesicular basaltic lava. | |
836 | 00.3.6.205.0008 | Ore | Copper. | |
837 | 00.3.11.246.0008 | Andesite | With Hornblende. | |
838 | 2006.15.0048 | Obsidian | Small in size piece of obsidian, one smoothed face, uneven ridges, wave like patterns, black with orange stripes, 5-6 on hardness scale, dull to vitreous luster Color: Black | |
839 | 00.3.4.48.0005 | Chalcopyrite | Chalcopyrite, galenite | |
840 | 1970.47.4.0006 | Marble | "France" marble. | |
841 | 00.3.9.59.0007 | Concretion, limonite | Filled with a calcitic deposit. | |
842 | 00.3.15.334.0006 | Quartzite | Sioux quartzite. | |
843 | 00.3.10.181.0002 | Stalactite | None | |
844 | 1990.53.0152 | unk | None | |
845 | 00.3.3.676.0003 | Serpentine | None | |
846 | 00.3.13.512.0006 | Agate | Okeye agate. | |
847 | 00.3.3.677.0001 | Williamsite, serpentine | None | |
848 | 00.3.13.512.0007 | Shale | Arenaceous. | |
849 | 1970.47.1.0025 | Rock | Unlabelled. | |
850 | 00.3.6.213.0003 | Coal | Anthracite. | |
851 | 00.3.5.102.0013 | Quartz | None | |
852 | 00.3.15.344.0006 | Sandstone | None | |
853 | 00.3.5.140.0002 | Sand | Crystals. | |
854 | 00.3.11.242.0005 | unk | None | |
855 | 1991.38.1.0016 | Kaolin | Color: WH | |
856 | 00.3.4.2.0014 | Gold | Gold ore galenite. | |
857 | 1970.47.1.0420 | Zinc and copper ore | None | |
858 | 00.3.6.236.0001 | Marble | Pentelic. | |
859 | 00.3.15.319.0009 | Earth | None | |
860 | 00.3.1.602.0001 | Concretion | Pyrite and sandstone. | |
861 | 00.3.15.696.0014 | Granite | Trap-granite contact. | |
862 | 1989.48.0006 | Lava | None | |
863 | 00.3.3.641.0007 | Copper | None | |
864 | 00.3.11.263.0004 | Basalt | None | |
865 | 00.3.6.205.0012 | Ore | Copper. | |
866 | 00.3.11.247.0001 | Breccia | Potomac breccia. | |
867 | 2006.15.0049 | Obsidian | Medium in size chunk of obsidian, two polished faces, black with reddish orange fusion on top, somewhat porrus in places, dull to vitreous luster, 5-6 on hardness scale Color: Black | |
868 | 00.3.4.48.0008 | Silver | None | |
869 | 1970.47.4.0007 | Marble | Cut and polished variegated and striped marble. | |
870 | 00.3.9.61.0007 | Pyroxenite | Or Hornblendite. | |
871 | 00.3.15.334.0013 | Quartzite | Sioux quartzite. | |
872 | 00.3.10.182.0001 | Septarian | Septarian. From drift folund in excavation for smoke stack at college. Shows mud cracks. | |
873 | 1990.53.0153 | unk | None | |
874 | 00.3.10.182.0002 | Concretion, iron | Mud cracked. | |
875 | 1990.53.0154 | Oil lime | None | |
876 | 00.3.3.680.0002 | Chalk | None | |
877 | 00.3.13.512.0011 | Concretion | Limestone spherical concretion | |
878 | 1970.47.1.0027 | Rock | Unlabelled. | |
879 | 00.3.6.213.0006 | Coal | Anthracite. | |
880 | 00.3.5.104.0010 | Quartz, milky | Massive | |
881 | 1970.002 | Conglomerate | Color: BK,BR,WH | |
882 | 00.3.15.345.0002 | Sandstone | Friable sandstone. | |
883 | 00.3.11.242.0006 | Gneiss | None | |
884 | 1991.38.1.0017 | Coal | Bituminous - resinous. Color: BK | |
885 | 00.3.4.2.0015 | Gold | Gold ore auriferous sulphurets in quartz. | |
886 | 00.3.15.290.0010 | Slickensides | Slickensides and hornblendic slate. | |
887 | 1970.47.1.0421 | Zinc and copper ore | None | |
888 | 00.3.6.236.0006 | Marble | Fossiliferous. | |
889 | 00.3.15.319.0010 | Oolite | Siliceous. | |
890 | 00.3.1.603.0001 | Concretion | None | |
891 | 00.3.15.696.0015 | Stalactite | None | |
892 | 1989.53.0031 | Quartz, tiger eye | None | |
893 | 00.3.3.644.0001 | Ore, lead | Lead, zinc and copper ore--Galena. Blende and chalcopyrite. | |
894 | 00.3.11.263.0005 | Lava | Basaltic. | |
895 | 00.3.6.205.0013 | Copper | Copper, malacite, azurite, cuprite. | |
896 | 00.3.11.247.0003 | Basalt | Var. Scoria | |
897 | 2006.15.0050 | Obsidian | Medium in size piece of obsidian, black with gray bands, uneven ridges, vitreous luster, 5-6 on hardness scale Color: Black | |
898 | 00.3.4.48.0010 | Silver | None | |
899 | 1970.47.4.0018 | Brick | Small, sample. Rocktex product. | |
900 | 00.3.9.62.0002 | Bauxite | None |