| Actinolite | |
|---|
| Formula: | ☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2 |
| Locality: | Drury North Talc prospect, Florida, Berkshire Co., Massachusetts, USA |
|
|
|
|
|
|
|
| Antigorite | |
|---|
| Formula: | Mg3(Si2O5)(OH)4 |
| Localities: | Drury North Talc prospect, Florida, Berkshire Co., Massachusetts, USA Drury South Talc Prospect, Florida, Berkshire Co., Massachusetts, USA Drury Talc-Serpentine Locality, Florida, Berkshire Co., Massachusetts, USA
|
|
|
|
|
|
|
|
| Antigorite var: Picrolite | |
|---|
| Localities: | Drury North Talc prospect, Florida, Berkshire Co., Massachusetts, USA Drury South Talc Prospect, Florida, Berkshire Co., Massachusetts, USA
|
|
|
|
|
|
|
|
|
| Brucite | |
|---|
| Formula: | Mg(OH)2 |
| Localities: | Drury North Talc prospect, Florida, Berkshire Co., Massachusetts, USA Drury South Talc Prospect, Florida, Berkshire Co., Massachusetts, USA
|
|
|
|
|
|
|
|
| 'Chrysoprase' ? | |
|---|
| Locality: | Florida Chrysoprase? Locality, Florida, Berkshire Co., Massachusetts, USA - erroneously reported |
|
|
|
|
|
|
|
|
| Magnetite | |
|---|
| Formula: | Fe2+Fe3+2O4 |
| Reference: | Gleba, 1978. Mass. Mineral & Fossil Localities |
| Localities: | Recorded from at least 2 other localities in this region. |
|
|
|
|
|
|
| Opal var: Opal-AN | |
|---|
| Formula: | SiO2 · nH2O |
| Reference: | Gleba, 1978. Mass. Mineral & Fossil Localities |
|
|
|
|
|
|
|
| Pyrite | |
|---|
| Formula: | FeS2 |
| Reference: | Gleba, 1978. Mass. Mineral & Fossil Localities |
| Localities: | Recorded from at least 2 other localities in this region. |
|
|
|
|
|
|
| Quartz var: Chalcedony | |
|---|
| Reference: | Gleba, 1978. Mass. Mineral & Fossil Localities |
|
|
|
|
|
|
|
|
| 'Serpentine Group' | |
|---|
| Formula: | D2[Si2O5](OH)4 + or - nH2O |
| Reference: | Gleba, 1978. Mass. Mineral & Fossil Localities |
|
|
|
|
|
|
|
| Talc |  |
|---|
| Formula: | Mg3(Si4O10)(OH)2 |
| Reference: | Gleba, 1978. Mass. Mineral & Fossil Localities |
| Localities: | Recorded from at least 3 other localities in this region. |
|
|
|
|
|
| Photo: © 2009 Peter Cristofono. Talc from Florida, Berkshire Co., Massachusetts, USA |
| Tremolite | |
|---|
| Formula: | ☐{Ca2}{Mg5}(Si8O22)(OH)2 |
| Locality: | Drury North Talc prospect, Florida, Berkshire Co., Massachusetts, USA |
|
|
|
|
|
|
|
12 entries listed. 7 valid minerals.