Calcite

Sand Calcite xls, Bad Lands, South Dakota
Sample 20

Calcite Crystals with Copper inclusions, Keewenaw Peninsula, Michigan
Sample 220

Calcite Crystals, Meshberger Quarry, Indiana
Sample 283

Calcite crystal-honey colored, Pugh Quarry, Custer, Ohio
Sample 364a

Calcite Crystals, Corydon, Indiana
Sample 502

Calcite Crystals on Calcite and Siderite, Knoxville, Iowa coal mines
Sample 507

Calcite crystals (A,B),D,E, Meshberger Quarry, Hope, Indiana
Sample 548

Calcite xls, Paul Frank Quarry, North Vernon, Indiana
Sample 610D

Calcite Cluster with Marcasite inclusions, twinned crystals, Paul Frank Quarry, North Vernon, Indiana
Sample 610H

Twinned xls on split matrix
Sample 610I

Single crystal on matrix
Sample 610K

Twinned crystals clear and /with Marcasite
Sample 610N

Round crystal on matrix, light honey color
Sample 610P

Twinned crystals with Marcasite inclusions
Sample 610S

Twinned cluster with little Marcasite inclusions
Sample 610U

Single crystal, light color, on matrix
Sample 610V

Small crystals on Sphalerite matrix
Sample 610W

Twinned large crystal, honey color phantom crystal
Sample 610X

Double Twinned crystals on matrix
Sample 610Y

Calcite crystals cluster with phantoms, Bancroft, Ontario
Sample 621

Calcite Double xls with small ones, Pitcher, Oklahoma
Sample 678

Iron Stained Bladed Calcite, Guanajuato, Mexico
Sample 695

Calcite Crystals, Meshberger Quarry, near Hope, Indiana A. Twinned crystal with small Marcasite inclusions B. Double crystals-also secondary crystals C. Single crystal
Sample 704

Calcite on Pink Dolomite, Corydon Quarry, Indiana
Sample 772

Calcite crystals, Maryville, Kentucky
Sample 2812

Calcite crystals, Honey, Pugh Quarry, Portage, Ohio
Sample 2825

Calcite crystals, Dogtooth, Pugh Quarry, Portage, Ohio
Sample 2831

Calcite crystal, doubly terminated, Meshberger Quarry, Hope, Indiana
Sample 2839

Rhombohedral, hexagonal xls, on Devonian Fossil Coral, Paul Frank Quarry, North Vernon, Indiana
Sample 2841

Calcite, Cauliflower, Butte, Montana
Sample 2845

Calcite, Rhombohedral, Cave Stone Quarry, Hope Indiana
Sample 2858

Calcite cluster w/ Bituman, Rensslaer, Indiana
Sample 2867

Calcite crystals w/ Copper Inclusions, Keweenawan Peninsula, Michigan
Sample 2873

Calcite Rhombohedral, Cuencame, Durango, Mexico
Sample 2881

Calcite crystals, Irridescent, New Point Quarry, New Point, Indiana
Sample 2894