Forest Ridge Road, Higganum, Haddam, Middlesex County, Connecticut, USAi
| Regional Level Types | |
|---|---|
| Forest Ridge Road | Road |
| Higganum | - not defined - |
| Haddam | - not defined - |
| Middlesex County | County |
| Connecticut | State |
| USA | Country |
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Latitude & Longitude (WGS84):
41° 29' 28'' North , 72° 32' 28'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
264352
Long-form identifier:
mindat:1:2:264352:9
GUID (UUID V4):
2e1810c3-601a-459b-9af2-5c18f51ca523
Road cuts for residential development exposed small common pegmatites and the host rock Ordovician Pond Meadow Gneiss. Besides the rock-forming pegmatite minerals are highly fluorescent coatings of opal-AN.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) Habit: anhedral Colour: white References: |
| ⓘ Almandine Formula: Fe2+3Al2(SiO4)3 Habit: trapezohedral to anhedral grains Colour: maroon Description: tiny accessory grains References: |
| ⓘ Annite Formula: KFe2+3(AlSi3O10)(OH)2 Description: tiny accessory flakes References: |
| ⓘ Hematite Formula: Fe2O3 Habit: stains Description: stains probably from the oxidation of magnetite References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 Habit: striated octahedrons Colour: metallic gray-black Description: mostly small accessory grains References: |
| ⓘ Microcline Formula: K(AlSi3O8) Habit: anhedral Colour: pink References: |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Description: micaceous accessory in small grains References: |
| ✪ Opal Formula: SiO2 · nH2O Habit: encrustations Colour: colorless Fluorescence: bright green Description: Gelatinous coatings and encrustations, some easily visible without using a UV lamp, on both pegmatite and host gneiss. UV response best in SW, progressively less in MW to LW. References: |
| ✪ Opal var. Opal-AN Formula: SiO2 · nH2O Habit: encrustations Colour: colorless Fluorescence: bright green Description: Gelatinous coatings and encrustations, some easily visible without using a UV lamp, on both pegmatite and host gneiss. UV response best in SW, progressively less in MW to LW. References: |
| ⓘ Quartz Formula: SiO2 Habit: masive Colour: black References: |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 Habit: masive Colour: black References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
| ⓘ | Opal var. Opal-AN | 4.DA.10 | SiO2 · nH2O |
| ⓘ | 4.DA.10 | SiO2 · nH2O | |
| Group 9 - Silicates | |||
| ⓘ | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Annite | 9.EC.20 | KFe2+3(AlSi3O10)(OH)2 |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| H | ⓘ Opal var. Opal-AN | SiO2 · nH2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Opal | SiO2 · nH2O |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| O | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Opal var. Opal-AN | SiO2 · nH2O |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| Al | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| Si | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Si | ⓘ Opal var. Opal-AN | SiO2 · nH2O |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| K | Potassium | |
| K | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Annite | KFe32+(AlSi3O10)(OH)2 |
| Fe | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Ganderia DomainDomain
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References
