Comparing Localities
Comparing:
Brighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA
with
Bigelow, De Kalb Township, St. Lawrence County, New York, USA
Mineral Lists
| Brighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA | Bigelow, De Kalb Township, St. Lawrence County, New York, USA |
|---|---|
| Biotite | |
| Calcite | Calcite |
| Chalcopyrite | |
| Chlorite Group | |
| Dolomite | |
| Dravite | Dravite |
| Feldspar Group | Feldspar Group |
| Fluor-uvite | |
| Fluorapatite | |
| Fluorite | |
| Galena | |
| Goethite | |
| Graphite | |
| Hematite | |
| K Feldspar | |
| (Var: Adularia) | |
| Limonite | |
| Mackinawite | |
| Malachite | |
| Marcasite | |
| Muscovite | |
| Opal | |
| Phlogopite | Phlogopite |
| Plagioclase | |
| Pyrite | Pyrite |
| Pyrrhotite | Pyrrhotite |
| Quartz | Quartz |
| Rutile | Rutile |
| Scapolite | |
| Sphalerite | |
| Talc | Talc |
| Tremolite | |
| Total: 22 | Total: 19 |
Chemistry
Number of mineral & variety species for each element. Red indicates lower than total percentage of mineral species with that element, green indicates higher.
| Element | Brighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA | Bigelow, De Kalb Township, St. Lawrence County, New York, USA | Total approved |
|---|---|---|---|
| H | 7 | 6 | 3391 |
| B | 1 | 2 | 304 |
| C | 3 | 2 | 491 |
| O | 13 | 11 | 4901 |
| F | 1 | 3 | 487 |
| Na | 2 | 1 | 1151 |
| Mg | 6 | 4 | 828 |
| Al | 6 | 3 | 1217 |
| Si | 9 | 6 | 1673 |
| P | 0 | 1 | 748 |
| S | 4 | 5 | 1328 |
| K | 4 | 1 | 606 |
| Ca | 3 | 4 | 1529 |
| Ti | 2 | 1 | 429 |
| Fe | 5 | 5 | 1381 |
| Cu | 2 | 0 | 820 |
| Zn | 0 | 1 | 345 |
| Pb | 0 | 1 | 637 |
Statistics
| Total Rows: | 32 |
|---|---|
| Total Matches: | 9 |
| Percent Matches: | 28.13% |
