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Virginia Crushed Stone Quarry, Loudoun Co., Virginia, USAi
Regional Level Types
Virginia Crushed Stone QuarryQuarry
Loudoun Co.County
VirginiaState
USACountry

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Key
Latitude & Longitude:
37° North , 78° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~123km
Locality type:


Rock & Gem, August 2001, p. 80

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 Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Detailed Mineral List:

'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Rob Lavinsky specimens.
'Amphibole Supergroup var: Byssolite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Rob Lavinsky specimens.
Calcite
Formula: CaCO3
Datolite
Formula: CaB(SiO4)(OH)
Reference: Rock & Gem, August 2001, p. 80; Mineralogical Record (1997) 28:58
Hydroxyapophyllite-(K)
Formula: KCa4(Si8O20)(OH,F) · 8H2O
Reference: Meier, B. M. and Kearns, Lance E., 2011, Chemical Characterization of Northern Virginia Apophyllite, (K, Na)Ca4Si8)20(OH, F).8H2O, 38th Rochester Mineralogical Symposium Progran and Abstracts, p. 25-27.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Thaumasite
Formula: Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Reference: Rob Lavinsky specimens.

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Thaumasite7.DG.15Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Group 9 - Silicates
Datolite9.AJ.20CaB(SiO4)(OH)
Hydroxyapophyllite-(K)9.EA.15KCa4(Si8O20)(OH,F) · 8H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Byssolite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 32 - COMPOUND SULFATES
Hydrated Compound Sulfates containing Hydroxyl or Halogen
Thaumasite32.4.4.4Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Unclassified Minerals, Mixtures, etc.
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Byssolite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hydroxyapophyllite-(K)-KCa4(Si8O20)(OH,F) · 8H2O

List of minerals for each chemical element

HHydrogen
H DatoliteCaB(SiO4)(OH)
H Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H PrehniteCa2Al2Si3O10(OH)2
H ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
H Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
C ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
OOxygen
O DatoliteCaB(SiO4)(OH)
O Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O CalciteCaCO3
O PrehniteCa2Al2Si3O10(OH)2
O ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
O Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
F Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
AlAluminium
Al Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al PrehniteCa2Al2Si3O10(OH)2
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Si DatoliteCaB(SiO4)(OH)
Si Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si PrehniteCa2Al2Si3O10(OH)2
Si ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Si Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SSulfur
S ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
ClChlorine
Cl Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
CaCalcium
Ca DatoliteCaB(SiO4)(OH)
Ca CalciteCaCO3
Ca PrehniteCa2Al2Si3O10(OH)2
Ca ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Ca Hydroxyapophyllite-(K)KCa4(Si8O20)(OH,F) · 8H2O
TiTitanium
Ti Amphibole Supergroup (var: Byssolite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Meier, B. M. and Kearns, Lance E., 2011, Chemical Characterization of Northern Virginia Apophyllite, (K, Na)Ca4Si8)20(OH, F).8H2O, 38th Rochester Mineralogical Symposium Progran and Abstracts, p. 25-27.

Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate

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