GRD033NS0 |
Rhodochrosite
|
Beautiful sample showing euhedral terminate quartz and botryoidal white opaque material (Zeolite?) on Rhodocrosite. |
Colorado |
0 |
Ritter 154, 5 B |
GRD033US0 |
Smithsonite
|
Green Smithsonite |
Unknown |
0 |
Ritter 154, 5 B |
GRD033VS0 |
Calcite
|
Calcite or Celestite in septarian nodule. As sherry-colored rhombohedral crystals with a high luster, lining crevices in a concretionary nodule. |
California |
0 |
Ritter 154, 5 B |
GRD0340S0 |
Calcite
|
Layered travertine |
Arizona |
0 |
Ritter 154, 5 C |
GRD0341S0 |
Magnesite
|
Hydromagnesite |
California |
0 |
Ritter 154, 5 C |
GRD0342S0 |
Calcite
|
Euhedral Calcite displaying cleavage |
Unknown |
0 |
Ritter 154, 5 C |
GRD0343S0 |
Calcite
|
Small sample of optical calcite |
Mexico |
0 |
Ritter 154, 5 C |
GRD0345S0 |
Magnesite
|
Magnesite from UCLA mineral collection |
Unknown |
0 |
Ritter 154, 5 C |
GRD0347S0 |
Calcite
|
Marble with Amphibolite band. Subhedral Calcite |
California |
0 |
Ritter 154, 5 C |
GRD0349S0 |
Calcite
|
Calcite on Prehnite, on Diabose |
New Jersey |
0 |
Ritter 154, 5 C |
GRD034AS0 |
Smithsonite
|
Smithsonite |
Namibia |
0 |
Ritter 154, 5 C |
GRD034BS0 |
Smithsonite
|
Synthetic Smithsonite. Furnace product |
Unknown |
0 |
Ritter 154, 5 C |
GRD034CS0 |
Rhodochrosite
|
Rhodocrosite from UCLA mineral collection |
|
0 |
Ritter 154, 5 C |
GRD034DS0 |
Calcite
|
Calcite with Diopside and Quartz. |
California |
0 |
Ritter 154, 5 C |
GRD034ES0 |
Smithsonite
|
Blue Smithsonite |
New Mexico |
0 |
Ritter 154, 5 C |
GRD034IS0 |
Calcite
|
Dogtooth Calcite |
Louisiana |
0 |
Ritter 154, 5 C |
GRD034JS0 |
Calcite
|
Calcite showing excellent cleavage, minor amounts of Biotite. |
Unknown |
0 |
Ritter 154, 5 C |
GRD034LS0 |
Calcite
|
Sand Calcite |
South Dakota |
0 |
Ritter 154, 5 C |
GRD034RS0 |
Calcite
|
Bag of Calcite, Burminco bulk approx 20 pieces |
Missouri |
0 |
Ritter 154, 5 D |
GRD034SS0 |
Calcite group
|
Sugary anhedral Bartyocalcite. |
United Kingdom |
0 |
Ritter 154, 5 D |
GRD034TS0 |
Smithsonite
|
Smithonsite and Hydrozincite |
Nevada |
0 |
Ritter 154, 5 D |
GRD034XS0 |
Siderite
|
Approximately 30 pieces of bulk Siderite from Burminco |
Idaho |
0 |
Ritter 154, 5 D |
GRD034ZS0 |
Magnesite
|
Magnesite |
California |
0 |
Ritter 154, 5 D |
GRD0350S0 |
Calcite
|
Layered Calcite |
California |
0 |
Ritter 154, 5 D |
GRD0352S0 |
Calcite
|
Two palm sized samples of granular Calcite |
Unknown |
0 |
Ritter 154, 5 D |
GRD0353S0 |
Calcite
|
Calcite var. Iceland Spar, Wards bulk approx 20 pieces |
Mexico |
0 |
Ritter 154, 5 D |
GRD0354S0 |
Siderite
|
Siderite |
Unknown |
0 |
Ritter 154, 5 D |
GRD0355S0 |
Magnesite
|
X-rayed by California Department of Mines, San Francisco, Jan 1967 |
California |
0 |
Ritter 154, 5 D |
GRD03IWS0 |
Calcite
|
Calcite crystals on fine marcasite and pyrite within brecciated chert |
Oklahoma |
0 |
Ritter 154, 5 B |
GRD03M1S0 |
Calcite
|
|
Congo {Democratic Rep} |
0 |
Vaughan 146, 41 B |