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Cook Road Staurolite locality, Windham, Cumberland County, Maine, USAi
Regional Level Types
Cook Road Staurolite localityOccurrence (Reclaimed)
WindhamTown
Cumberland CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
43° 46' 18'' North , 70° 25' 34'' West
Latitude & Longitude (decimal):
Type:
Occurrence (Reclaimed) - last checked 2026
Nearest Settlements:
PlacePopulationDistance
South Windham1,374 (2017)4.0km
Little Falls708 (2017)4.5km
North Windham4,904 (2017)7.0km
Gorham6,882 (2017)10.4km
Standish469 (2017)10.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Maine Mineralogical & Geological SocietyPortland, Maine19km
Mindat Locality ID:
6691
Long-form identifier:
mindat:1:2:6691:7
GUID (UUID V4):
0


Biotite-almandine-staurolite schist and quartz veins. Metamorphic deposit. The original collecting area is now reclaimed and buried under a lawn. The same minerals can still be found in the surrounding area in Windham.

Coordinates are general for Cook Road.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


5 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Almandine
Formula: Fe2+3Al2(SiO4)3
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Ilmenite
Formula: Fe2+TiO3
Kyanite
Formula: Al2(SiO4)O
Quartz
Formula: SiO2
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Description: Vitreous smooth-faced staurilte crystals, uncommonly with St. Andrews twins and rarely with Maltese Cross twins to 10 x 5 cm.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Kyanite9.AF.15Al2(SiO4)O
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H StauroliteFe22+Al9Si4O23(OH)
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
OOxygen
O AlmandineFe32+Al2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O IlmeniteFe2+TiO3
O KyaniteAl2(SiO4)O
O QuartzSiO2
O StauroliteFe22+Al9Si4O23(OH)
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al KyaniteAl2(SiO4)O
Al StauroliteFe22+Al9Si4O23(OH)
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Si AlmandineFe32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si KyaniteAl2(SiO4)O
Si QuartzSiO2
Si StauroliteFe22+Al9Si4O23(OH)
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
ClChlorine
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti IlmeniteFe2+TiO3
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe IlmeniteFe2+TiO3
Fe StauroliteFe22+Al9Si4O23(OH)

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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