Displaying 701 - 800 of 40190
Cat. # Name Description
701 Galena Three specimens. a. Single crystal. b. Weathered group. c. Massive. Color: GY
702 Galena Crystal cluster. Color: GY
703 Galena None
704 Galena Galenite and pyrite.
705 Galena Coarsely grained; massive. Color: GY
706 Quartz With galenite, chalcopyrite and barite, native copper, azurite.
707 Galena Still retains a partial Foote label. Color: GY
708 Hematite Massive, specular. Color: GY
709 Quartz Quartz, chalcopyrite, barite (?), tarnished galenite.
710 Galena Pocket of cubo-octahedron with drusy quartz. Color: GY
711 Galena Massive galena on quartz crystals, some pyrite. Color: GY
712 Galena Silver ore, fine grained. Color: GY
713 Galena Massive; possibly argentiferous. Color: GY
714 Galena Silver ore, fine grained. Color: GY
715 Galena Coarse grained, massive. Color: GY
716 Galena None
717 Pyrite Mass of crystals on quartz crystals.
718 Pyrite Small pocket of 1/8" cubes. Color: GD
719 Galena Group of cubic crystals coated with drusy pyrites. Color: GY
720 Galena Massive galena in quartz with small amounts of chalcopyrite. Color: GY
721 Galena Massive ore samples with some chalcopyrite. Color: GY-BK
722 Galena And chalcopyrite.
723 Galena And chalcopyrite.
724 Chalcopyrite Massive, with pyrite & quartz.
725 Sphalerite Hand: massive intermixed with chert . Miniature: sphalerite crystals on quartz crystals
726 Sphalerite Matrix covered on both sides with sphalerite crystals to 1/2". Crystal system Cubic/iso. Color: BK,RD
727 Sphalerite None
728 Sphalerite Crystals to 1/8" - 1/4" on chert matrix.
729 Sphalerite Massive; 1 miniature has weathered crystals with chalcopyrite crystals
730 Sphalerite Massive sphalerite in chert.
731 Sphalerite Massive.
732 Sphalerite Two glass vials of crushed sphalerite.
733 Sphalerite Massive; specimen is cracking.
734 Sphalerite Crushed.
735 Sphalerite Dark crystals to 1/2" covering top of piece; also crystals on bottom partially in chert
736 Sphalerite Massive.
737 Sphalerite Sphalerite or blende, zinc ore.
738 Sphalerite Massive, some cleavage faces; miniature has rough, dull crystals
739 Sphalerite Massive, rough cleavage faces & crystals.
740 Sphalerite Massive, rough cleavage faces & crystals.
741 Cinnabar Specimen crumbling.
742 Cinnabar Tiny crystals scattered on matrix. Color: RD
743 Cinnabar Ore sample showing primarily blue copper stain. Color: ML
744 Cinnabar None
745 Cinnabar Crystalline coating. Color: RD
746 Chalcocite Black, massive with small quartz blebs.
747 Chalcocite Massive, brown-black.
748 Chalcocite Massive, tarnished to red-gold; pyrite present
749 Bornite Massive, dull black.
750 Bornite Massive, dark gray metallic; minor copper minerals (azurite/malachite)
751 Bornite Massive, dark gray.
752 Pyrrhotite Massive, black.
753 Nickeline Massive. Color: PK-OR
754 Calcite Crystals & pockets.
755 Gold Small gold flakes on quartz and feldspar.
756 Pyrite Miniature shows pyritohedral crystals; hand is compact aggregate
757 Pyrite One specimen has cubes of pyrite to 3/8" on quartz crystals. Other, massive pyrite in matrix. a. and b.
758 Pyrite Crystal faces on one side of rock layer.
759 Pyrite Thumbnails mostly massive; miniature has crystals at one end.
760 Pyrite Scattered crystals in iron matrix. Poor crystals on quartz.
761 Pyrite None
762 Pyrite Cubic crystals to 3/8" scattered among quartz crystals; tiny crystls with calcite on matrix
763 Pyrite Vial contains decomposed materail; 1 large partial strated crystal on pyrite matrix
764 Pyrite None
765 Pyrite One massive; other has striated crystals to 3/8" on an end.
766 Pyrite Crystals on quartz crystals to 1/4".
767 Pyrite Massive pyrite, one side coverd with 3/8" quartz crystals with larger pyrite (1/2") on quartz.
768 Pyrite Dubic crystals with iron-stained quartz crystals on massive pyrite & quartz matrix
769 Pyrite TN's - pieces of cubic crystals; miniatures - clusters of crystals
770 Pyrite Granular aggregate.
771 Pyrite Crystals on small quartz crystals. Massive pyrite with pyrite & quartz crystals in vug at one end.
772 Pyrite Partial crystals.
773 Pyrite Cabinet - cluster of striated crystals ; massive pyrite with quartz; massive - showing some crystal faces
774 Pyrite Brown cubic crystals from 1/8" x 1/8" - 3/8" x 3/8"
775 Pyrite Crystal clump.
776 Pyrite Brassy, striated crystals in pocket of granular pyrite
777 Pyrite Vial contains decomposed material; 1 cluster of crystals
778 Pyrite Granular aggregate with some quartz.
779 Pyrite Scattered pyrite in light gray matrix.
780 Pyrite Granular aggregate.
781 Pyrite Pyrite finely disseminated in galena(?).
782 Pyrite Striated pyrite crystals with quartz.
783 Pyrite A few crystals embedded in quartz.
784 Quartz Quartz crystals on pyritiferous rock.
785 Pyrite Mostly ore material with quartz & feldspar; 1 hand specimen has cluster of cubic crystals
786 Pyrite TN - striated partial cube; miniature - bright, brassy cubic crystals to 18"; should be 4 specimens
787 Pyrite Pyrite, chalcopyrite, gold or silver probably.
788 Pyrite All specimens a mixture of pyrite, quartz and crystals of both. Hand specimen is probably chalcopyrite on calcite crystals.
789 Pyrite Drusy pyrite on matrix.
790 Pyrite Small pyrite crystals lining nodule.
791 Pyrite Finely disseminated pyrite.
792 Pyrite Crystals in matrix.
793 Pyrite Ore samples with quartz & galena; possible rhodocrosite
794 Chalcopyrite Massive, in quartz.
795 Chalcopyrite Nodule.
796 Chalcopyrite Massive, possibly covellite as a decomposition product
797 Chalcopyrite Massive.
798 Chalcopyrite Massive, disseminated.
799 Chalcopyrite Poor crystals on matrix.
800 Chalcopyrite None