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Chantilly Quarry, Chantilly, Loudoun County, Virginia, USAi
Regional Level Types
Chantilly QuarryQuarry (Active)
Chantilly- not defined -
Loudoun CountyCounty
VirginiaState
USACountry

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Latitude & Longitude (WGS84):
38° 55' 36'' North , 77° 29' 45'' West
Latitude & Longitude (decimal):
38.92673,-77.49609
GeoHash:
G#: dqbvkw3hd
GRN:
N26W44
Type:
Quarry (Active) - last checked 2022
KΓΆppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
South Riding24,256 (2011)0.9km
Arcola233 (2011)4.3km
Loudoun Valley Estates3,656 (2017)6.1km
Chantilly23,039 (2011)6.7km
Brambleton9,845 (2011)7.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Northern Virginia Mineral Club, Inc.Arlington, Virginia34km
Gem, Lapidary, and Mineral Society of Montgomery County, MD., Inc.Rockville, Maryland34km
Mindat Locality ID:
5877
Long-form identifier:
mindat:1:2:5877:6
GUID (UUID V4):
43c81a3d-017c-478b-8432-3cf684aeeb30


Located near Chantilly, VA.

Known for exceptional apophyllite-(KOH) crystals. Meier and Kearns (2011) determined much if not all of the northern Virginia are uniformly near end-member apophyllite-(KOH) and verified its occurrence at this locality. (Lance Kearns, personal communication, 2011).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

β“˜ Aikinite
Formula: PbCuBiS3
β“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
β“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜ Babingtonite
Formula: Ca2(Fe,Mn)FeSi5O14(OH)
β“˜ 'Chabazite'
β“˜ 'Chlorite Group'
β“˜ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
β“˜ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
β“˜ Gyrolite
Formula: NaCa16Si23AlO60(OH)8 · 14H2O
β“˜ Hematite
Formula: Fe2O3
β“˜ Hematite var. Specularite
Formula: Fe2O3
β“˜ 'Heulandite Subgroup'
Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
β“˜ Hydroxyapophyllite-(K)
Formula: KCa4(Si8O20)(OH,F) · 8H2O
β“˜ Laumontite
Formula: CaAl2Si4O12 · 4H2O
β“˜ Prehnite
Formula: Ca2Al2Si3O10(OH)2
β“˜ 'Pumpellyite Subgroup'
Formula: Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
β“˜ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O

Gallery:

KCa4(Si8O20)(OH,F) · 8H2Oβ“˜ Hydroxyapophyllite-(K)
M6-7[Al8-9Si27-28O72] · nH2Oβ“˜ 'Stilbite Subgroup'

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Aikinite2.HB.05aPbCuBiS3
Group 4 - Oxides and Hydroxides
β“˜Hematite
var. Specularite		4.CB.05Fe2O3
β“˜4.CB.05Fe2O3
Group 9 - Silicates
β“˜Clinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
β“˜Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
β“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
β“˜Babingtonite9.DK.05Ca2(Fe,Mn)FeSi5O14(OH)
β“˜Prehnite9.DP.20Ca2Al2Si3O10(OH)2
β“˜Hydroxyapophyllite-(K)9.EA.15KCa4(Si8O20)(OH,F) Β· 8H2O
β“˜Gyrolite9.EE.30NaCa16Si23AlO60(OH)8 Β· 14H2O
β“˜Laumontite9.GB.10CaAl2Si4O12 Β· 4H2O
Unclassified
β“˜'Chabazite'-
β“˜'Chlorite Group'-
β“˜'Heulandite Subgroup'-(Na/Ca/K)5-6[Al8-9 Si27-28 O72] Β· nH2O
β“˜'Pumpellyite Subgroup'-Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
β“˜'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] Β· nH2O
β“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Hβ“˜ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hβ“˜ GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Hβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Hβ“˜ Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Hβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Hβ“˜ PrehniteCa2Al2Si3O10(OH)2
Hβ“˜ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Hβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
Oβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oβ“˜ BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Oβ“˜ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oβ“˜ GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Oβ“˜ HematiteFe2O3
Oβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Oβ“˜ Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Oβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Oβ“˜ PrehniteCa2Al2Si3O10(OH)2
Oβ“˜ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Oβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oβ“˜ Hematite var. SpeculariteFe2O3
Oβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fβ“˜ Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Fβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naβ“˜ GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Naβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
MgMagnesium
Mgβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
AlAluminium
Alβ“˜ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alβ“˜ GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Alβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Alβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Alβ“˜ PrehniteCa2Al2Si3O10(OH)2
Alβ“˜ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Alβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
SiSilicon
Siβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siβ“˜ BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Siβ“˜ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siβ“˜ GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Siβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Siβ“˜ Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Siβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Siβ“˜ PrehniteCa2Al2Si3O10(OH)2
Siβ“˜ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Siβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
PPhosphorus
Pβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sβ“˜ AikinitePbCuBiS3
ClChlorine
Clβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Kβ“˜ Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
CaCalcium
Caβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caβ“˜ BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Caβ“˜ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caβ“˜ GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Caβ“˜ Heulandite Subgroup(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Caβ“˜ Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Caβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Caβ“˜ PrehniteCa2Al2Si3O10(OH)2
Caβ“˜ Pumpellyite SubgroupCa2XAl2[Si2O6(OH)][SiO4](OH)2A
Caβ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
MnManganese
Mnβ“˜ BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
FeIron
Feβ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feβ“˜ BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Feβ“˜ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feβ“˜ HematiteFe2O3
Feβ“˜ Hematite var. SpeculariteFe2O3
CuCopper
Cuβ“˜ AikinitePbCuBiS3
PbLead
Pbβ“˜ AikinitePbCuBiS3
BiBismuth
Biβ“˜ AikinitePbCuBiS3

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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.

References

(n.d.)
(n.d.)
Penick, D. A. Jr. (1985) Virginia, Mineral Locality Index, Rocks & Minerals: 60(4): 167.
Meier, B. M. and Kearns, L. E. (2011) Chemical Characterization of Northern Virginia Apophyllite, (K, Na)Ca4Si8)20(OH, F).8H2O, 38th Rochester Mineralogical Symposium Program and Abstracts: 25-27.
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