Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Crystal Lode pegmatite, Fulford District, Eagle Co., Colorado, USAi
Regional Level Types
Crystal Lode pegmatitePegmatite
Fulford DistrictMining District
Eagle Co.County

This page is currently not sponsored. Click here to sponsor this page.
Lock Map
Latitude & Longitude (WGS84):
39° 32' 46'' North , 106° 40' 2'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
Edwards10,266 (2011)12.6km
Avon6,505 (2017)15.6km
Eagle6,678 (2017)18.4km
Minturn1,026 (2017)20.7km
Red Cliff274 (2017)25.9km

No description has been added for this locality. Can you add one?

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

4 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Chlorite Group'
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Feldspar Group'
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Feldspar Group var: Perthite'
Reference: Minerals of Colorado (1997) Eckel, E. B.
Formula: Ca5(PO4)3F
Reference: Young, E . J ., and Munson, E . L . (1966): Fluor-chlor-oxy-apatite and sphene from Crystal Lode pegmatite near Eagle, Colorado: American Mineralogist, 51 (9–10), 1476–1493
Formula: Fe2O3
Reference: Minerals of Colorado (1997) Eckel, E. B.
Formula: SiO2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Formula: CaTi(SiO4)O
Reference: Young, E . J ., and Munson, E . L . (1966): Fluor-chlor-oxy-apatite and sphene from Crystal Lode pegmatite near Eagle, Colorado: American Mineralogist, 51 (9–10), 1476–1493

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 8 - Phosphates, Arsenates and Vanadates
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Feldspar Group'-
'var: Perthite'-

List of minerals arranged by Dana 8th Edition classification

Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Feldspar Group'-
'var: Perthite'-

List of minerals for each chemical element

H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O FluorapatiteCa5(PO4)3F
O TitaniteCaTi(SiO4)O
O HematiteFe2O3
O QuartzSiO2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si TitaniteCaTi(SiO4)O
Si QuartzSiO2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
P FluorapatiteCa5(PO4)3F
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Ca FluorapatiteCa5(PO4)3F
Ca TitaniteCaTi(SiO4)O
Ti TitaniteCaTi(SiO4)O
Fe HematiteFe2O3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Bartonian - Maastrichtian
37.8 - 72.1 Ma

ID: 2805370
Laramide intrusive rocks

Age: Phanerozoic (37.8 - 72.1 Ma)

Description: Mainly intermediate to felsic compositions; some mafic

Comments: Original map source: Green, G.N., 1992, The Digital Geologic Map of Colorado in ARC/INFO Format: U.S. Geological Survey Open-File Report 92-0507, 9 p., scale 1:500,000.

Lithology: Major:{granitic,dioritic}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Permian - Devonian
251.902 - 419.2 Ma

ID: 3187583
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 419.2 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Young, E. J. and Munson, E. L. (1966): Fluor-chlor-oxy-apatite and sphene from Crystal Lode pegmatite near Eagle, Colorado: American Mineralogist: 51(9–10): 1476–1493.
Eckel, E. B. (1997), Minerals of Colorado.

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: July 22, 2019 11:25:23 Page generated: May 28, 2019 07:36:37
Go to top of page