Displaying 601 - 700 of 40276
Cat. # Name Description
601 Thomsonite None
602 Staurolite None
603 Titanite None
604 Chabazite None
605 Serpentine group Color: BK
606 Serpentine group Massive, translucent. Color: GR
607 Serpentine group None
608 Calcite With nodules of chert.
609 Calcite Calcite rhomb spar exhibiting refraction; var. Iceland spar
610 Calcite Secondary crystals.
611 Calcite Surface iridescent.
612 Calcite Crystals on limestone.
613 Calcite Rhomb spar.
614 Calcite Calc spar.
615 Calcite Dogtooth spar.
616 Calcite Clustered dog tooth spar.
617 Calcite Rhomb spar in calcite geode.
618 Calcite Crystals.
619 Aragonite in exhibit from 1992-2006
620 Aragonite Acicular radiating groups, and stalactic forms. Color: WH
621 Quartz Quartz crystals on limestone.
622 Spar, nail-head None
623 Calcite Crystals on limestone.
624 Calcite Small crystals (scalenohedral) coating and throughout specimen. Color: GD
625 Millerite Hairs of millerite on and through large calcite crystals in vug. Color: GD
626 Millerite Millerite hairs; mostly embedded in calcite. Color: GD
627 Millerite One bundle of millerite hairs in calcite vug. Color: GD
628 Calcite Geode; Calcareous; nail head spar.
629 Talc Massive. Color: GR
630 Gypsum Variety alabaster, cut & polished semi-circle.
631 Quartz Cellular--crystalline quartz.
632 Quartz Chalcedonic quartz with mammillated and botryoidal lining.
633 Quartz, geode Papillated surface.
634 Quartz Chalcedonic and crystal.
635 Quartz, geode None
636 Quartz Crystal on chalcedonic base.
637 Quartz, geode None
638 Millerite Small 1" diameter vug with millerite hair tufts. Color: GD
639 Quartz Crystals with tarnished galenite crystals and pyrite.
640 Quartz Drusy quartz slightly amethystone.
641 Quartz Cut from quartz crystal.
642 Quartz Crystals.
643 Quartz Crystals.
644 Quartz Crystals.
645 Quartz Crystals.
646 Quartz Crystals.
647 Quartz Rock or quartz crystals.
648 Quartz Greasy.
649 Quartz Rock quartz. Two pieces of same rock. Reattached.
650 Gold Roasted ore.
651 Copper None
652 Copper Native copper.
653 Copper Native copper.
654 Copper Native copper.
655 Copper Native copper Gummed label:1019.
656 Copper None
657 Copper Native copper.
658 Chalcopyrite Massive, disseminated through matrix.
659 Copper Native copper; not found in catalog.
660 Sulfur Massive, with matrix.
661 Sulfur Massive, in matrix.
662 Sulfur None
663 Sulfur Massive; depositional.
664 Sulfur Massive with matrix.
665 Sulfur Massive.
666 Sulfur Massive.
667 Realgar Small crystals in tiny vugs. Color: RD-OR
668 Realgar Coating. Color: RD-OR
669 Sulfid Sulfid of antimony.
670 Graphite None
671 Graphite None
672 Graphite None
673 Stibnite Steel, gray, metallic acicular crystals.
674 Molybdenite Metallic gray masses in matrix.
675 Molybdenite Shiny, silfver-gray on a matrix containing quartz, pyrite, etc.
676 Galena Two massive; 1 showing crystal form.
677 Galena None
678 Galena Single cube. Color: GY
679 Lead None
680 Galena Massive, weathered. Color: GY
681 Galena Solid galena, cleavage faces, lime coating. Color: GY
682 Galena None
683 Galena Massive - 1 pseudo cube; other with minor chalcopyrite. Color: GY
684 Galena One piece massive cleavage fragment; 1 piece with galena disseminated throughout matrix. Color: GY
685 Galena Two pieces. a. Group of 2 crystals. b. Massive with cleavage faces. Color: GY
686 Galena Individual crystals. Color: GY
687 Galena None
688 Galena Massive, cleavage faces; T's possible partial crystals. Color: GY
689 Galena Two parts. a. Massive. b. Weathered; crystal cluster. Color: GY
690 Galena Solid galena; large 1" x 1' x 1" cryustal is weathered and coated. Color: GY
691 Galena Massive; pieces form one; cleavage planes visible. Color: GY
692 Galena None
693 Galena Galena in quartz matrix. Core sample. Color: GY,TN
694 Galena Galena & pyrite FINELY disseminated. Color: BK
695 Galena Three specimens. a. Single crystal. b. Weathered group. c. Massive. Color: GY
696 Galena Crystal cluster. Color: GY
697 Galena None
698 Galena Galenite and pyrite.
699 Galena Coarsely grained; massive. Color: GY
700 Quartz With galenite, chalcopyrite and barite, native copper, azurite.