Displaying 601 - 700 of 40190
Cat. # Name Description
601 Analcime (Feldspathoid group) None
602 Sepiolite Massive. Color: WH
603 Anorthite (Feldspar group) None
604 Natrolite None
605 Hemimorphite None
606 Chondrodite None
607 Thomsonite None
608 Staurolite None
609 Titanite None
610 Chabazite None
611 Serpentine group Color: BK
612 Serpentine group Massive, translucent. Color: GR
613 Serpentine group None
614 Calcite With nodules of chert.
615 Calcite Calcite rhomb spar exhibiting refraction; var. Iceland spar
616 Calcite Secondary crystals.
617 Calcite Surface iridescent.
618 Calcite Crystals on limestone.
619 Calcite Rhomb spar.
620 Calcite Calc spar.
621 Calcite Dogtooth spar.
622 Calcite Clustered dog tooth spar.
623 Calcite Rhomb spar in calcite geode.
624 Calcite Crystals.
625 Aragonite in exhibit from 1992-2006
626 Aragonite Acicular radiating groups, and stalactic forms. Color: WH
627 Quartz Quartz crystals on limestone.
628 Spar, nail-head None
629 Calcite Crystals on limestone.
630 Calcite Small crystals (scalenohedral) coating and throughout specimen. Color: GD
631 Millerite Hairs of millerite on and through large calcite crystals in vug. Color: GD
632 Millerite Millerite hairs; mostly embedded in calcite. Color: GD
633 Millerite One bundle of millerite hairs in calcite vug. Color: GD
634 Calcite Geode; Calcareous; nail head spar.
635 Talc Massive. Color: GR
636 Gypsum Variety alabaster, cut & polished semi-circle.
637 Quartz Cellular--crystalline quartz.
638 Quartz Chalcedonic quartz with mammillated and botryoidal lining.
639 Quartz, geode Papillated surface.
640 Quartz Chalcedonic and crystal.
641 Quartz, geode None
642 Quartz Crystal on chalcedonic base.
643 Quartz, geode None
644 Millerite Small 1" diameter vug with millerite hair tufts. Color: GD
645 Quartz Crystals with tarnished galenite crystals and pyrite.
646 Quartz Drusy quartz slightly amethystone.
647 Quartz Cut from quartz crystal.
648 Quartz Crystals.
649 Quartz Crystals.
650 Quartz Crystals.
651 Quartz Crystals.
652 Quartz Crystals.
653 Quartz Rock or quartz crystals.
654 Quartz Greasy.
655 Quartz Rock quartz. Two pieces of same rock. Reattached.
656 Gold Roasted ore.
657 Copper None
658 Copper Native copper.
659 Copper Native copper.
660 Copper Native copper.
661 Copper Native copper Gummed label:1019.
662 Copper None
663 Copper Native copper.
664 Chalcopyrite Massive, disseminated through matrix.
665 Copper Native copper; not found in catalog.
666 Sulfur Massive, with matrix.
667 Sulfur Massive, in matrix.
668 Sulfur None
669 Sulfur Massive; depositional.
670 Sulfur Massive with matrix.
671 Sulfur Massive.
672 Sulfur Massive.
673 Realgar Small crystals in tiny vugs. Color: RD-OR
674 Realgar Coating. Color: RD-OR
675 Sulfid Sulfid of antimony.
676 Graphite None
677 Graphite None
678 Graphite None
679 Stibnite Steel, gray, metallic acicular crystals.
680 Molybdenite Metallic gray masses in matrix.
681 Molybdenite Shiny, silfver-gray on a matrix containing quartz, pyrite, etc.
682 Galena Two massive; 1 showing crystal form.
683 Galena None
684 Galena Single cube. Color: GY
685 Lead None
686 Galena Massive, weathered. Color: GY
687 Galena Solid galena, cleavage faces, lime coating. Color: GY
688 Galena None
689 Galena Massive - 1 pseudo cube; other with minor chalcopyrite. Color: GY
690 Galena One piece massive cleavage fragment; 1 piece with galena disseminated throughout matrix. Color: GY
691 Galena Two pieces. a. Group of 2 crystals. b. Massive with cleavage faces. Color: GY
692 Galena Individual crystals. Color: GY
693 Galena None
694 Galena Massive, cleavage faces; T's possible partial crystals. Color: GY
695 Galena Two parts. a. Massive. b. Weathered; crystal cluster. Color: GY
696 Galena Solid galena; large 1" x 1' x 1" cryustal is weathered and coated. Color: GY
697 Galena Massive; pieces form one; cleavage planes visible. Color: GY
698 Galena None
699 Galena Galena in quartz matrix. Core sample. Color: GY,TN
700 Galena Galena & pyrite FINELY disseminated. Color: BK