State Route 118 Bantam River bridge, Litchfield, Litchfield County, Connecticut, USAi
| Regional Level Types | |
|---|---|
| State Route 118 Bantam River bridge | Bridge |
| Litchfield | - not defined - |
| Litchfield County | County |
| Connecticut | State |
| USA | Country |
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Latitude & Longitude (WGS84):
41° 44' 50'' North , 73° 10' 45'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Litchfield | 1,215 (2017) | 0.8km |
| Bantam | 735 (2017) | 5.4km |
| Torrington | 34,906 (2017) | 7.6km |
| West Torrington | 36,000 (2017) | 8.4km |
| Northwest Harwinton | 3,252 (2017) | 8.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Bristol Gem & Mineral Club | Bristol, Connecticut | 21km |
| Lapidary and Mineral Society of Central Connecticut | Meriden, Connecticut | 39km |
| Danbury Mineralogical Society | Danbury, Connecticut | 45km |
Mindat Locality ID:
245076
Long-form identifier:
mindat:1:2:245076:9
GUID (UUID V4):
9d0dd684-37f3-4165-8594-2fc1997beb19
"Pinite" (later found to be very-fine-grained micaceous pseudomorphs of cordierite) occurred here both massive and as crystals as first described by Brace (1823) without attribution to any place other than "Litchfield":
Some imperfect crystals appeared on the surface of the mass—apparently six-sided prisms, truncated on all the angles, and, in consequence, having a cylindrical form. Associated with quartz, mica and oxide of iron.
A note by Benjamin Silliman noted their similarity to those from Haddam found here:
http://www.mindat.org/loc-23749.html listed as "chlorophyllite" or "fahlunite".
It was noted in Robinson (1825).
Much later Gaines (1887) gave and exact location for them:
Just east of the village of Litchfield below the point where the road to the Naugatuck station [now state Route 118] crosses the Bantam river, there is a mill dam, the abutment at the western end of which is formed by a ledge of mica schist. Here were found fine crystals of pinite, and in quartz veins a few fine specimens of washingtonite [ilmenite].
The dam is long gone, and there is a new bridge, but the outcrop remains with much staurolite and some ilmenite visible as of 2012.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Ilmenite Formula: Fe2+TiO3 Habit: tabular Colour: dark gray to black Description: anhedral plates in massive white quartz |
| ⓘ 'Pinite' Habit: pseudomorphs after cordierite Colour: dark brown Description: Pseudomorphs after subhedral cordierite crystals to 2.5 cm in massive white quartz. |
| ⓘ Quartz Formula: SiO2 Habit: massive Colour: white Description: Massive veins in schist host ilmenite and pinite after cordierite. |
| ⓘ Staurolite Formula: Fe2+2Al9Si4O23(OH) Habit: subhedral prisms Colour: dark brown Description: Small crystals pepper the schist outcrop under the bridge. References: |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Staurolite | 9.AF.30 | Fe2+2Al9Si4O23(OH) |
| Unclassified | |||
| ⓘ | 'Pinite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| O | Oxygen | |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| Al | Aluminium | |
| Al | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | Iron | |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Staurolite | Fe22+Al9Si4O23(OH) |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Piedmontia DomainDomain
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References
