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Guilford Co., North Carolina, USAi
Regional Level Types
Guilford Co.County
North CarolinaState
USACountry

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Key
Locality type:
Largest Settlements:
PlacePopulation
Greensboro285,342 (2017)
High Point110,268 (2017)
Summerfield10,861 (2017)
Gibsonville6,773 (2017)
Oak Ridge6,671 (2017)
Stokesdale5,340 (2017)
Other Languages:
French:
comté de Guilford, Caroline du Nord, États-Unis
German:
Guilford County, North Carolina, Vereinigte Staaten
Italian:
contea di Guilford, Carolina del Nord, Stati Uniti d'America
Russian:
Гилфорд, Северная Каролина, Соединённые Штаты Америки
Simplified Chinese:
吉爾福德縣 , 北卡罗来纳州, 美国
Spanish:
Condado de Guilford, Carolina del Norte, Estados Unidos
Albanian:
Guilford County, North Carolina, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة غيلفورد, كارولاينا الشمالية, الولايات المتحدة
Basque:
Guilford konderria , Ipar Carolina
Bavarian:
Guilford County, North Carolina, Vaoanigte Stootn
Belarusian:
Гілфард, Паўночная Караліна, Злучаныя Штаты Амерыкі
Bishnupriya Manipuri:
গুইলফোর্ড কাউন্টি, নর্থ ক্যারোলাইনা, তিলপারাষ্ট্র
Bulgarian:
Гилфорд, Северна Каролина, Съединени американски щати
Cebuano:
Guilford County, North Carolina
Danish:
Guilford County, North Carolina, USA
Dutch:
Guilford County, North Carolina, Verenigde Staten
Estonian:
Guilfordi maakond, Põhja-Carolina, Ameerika Ühendriigid
Farsi/Persian:
شهرستان گیلفرد، کارولینای شمالی, کارولینای شمالی, ایالات متحده آمریکا
Hebrew:
מחוז גילפורד, קרוליינה הצפונית, ארצות הברית
Hungarian:
Guilford megye, Észak-Karolina, Amerikai Egyesült Államok
Irish Gaelic:
Contae Guilford, Carolina Thuaidh, Stáit Aontaithe Mheiriceá
Japanese:
ギルフォード郡, ノースカロライナ州, アメリカ合衆国
Low Saxon/Low German:
Guilford County, Noord-Carolina, USA
Min Dong Chinese:
Guilford Gông, North Carolina
Minnan / Hokkien-Taiwanese:
Guilford Kūn
Norwegian:
Guilford County, Nord-Carolina, USA
Polish:
Hrabstwo Guilford, Karolina Północna, Stany Zjednoczone
Portuguese:
Condado de Guilford, Carolina do Norte, Estados Unidos
Romanian:
Comitatul Guilford, Carolina de Nord, Statele Unite ale Americii
Sardinian:
contea de Guilford, Carolina de Nord, Istados Unidos de Amèrica
Serbian:
Округ Гилфорд , Северна Каролина, Сједињене Америчке Државе
Serbo-Croatian:
Guilford County, Sjeverna Karolina, Sjedinjene Američke Države
Swedish:
Guilford County, North Carolina, USA
Traditional Chinese:
吉爾福德縣, 北卡羅萊納州, 美國
Turkish:
Guilford County, Kuzey Karolina, Amerika Birleşik Devletleri
Ukrainian:
Ґілфорд, Північна Кароліна, Сполучені Штати Америки
Urdu:
گیلفورڈ کاؤنٹی، شمالی کیرولینا, شمالی کیرولائنا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Guilford, North Carolina, Chủng Quốc Hoa Kỳ
Waray:
Condado han Guilford, North Carolina, Estados Unidos
Western Punjabi:
گوئلفورڈ کاؤنٹی, نارتھ کیرولائنا, امریکہ


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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

48 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!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Albite-Anorthite Series'
Reference: Long,L.E.,Kulp,L.J.,and Eckelmann,F.P (1959) Chronolgy of major metamorphic events in the Southeastern United States:American Journal of Science,v.257,p.585-603
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Antlerite ?
Formula: Cu3(SO4)(OH)4
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt, North Carolina : NCGS Bulletion 84
Arsenopyrite
Formula: FeAsS
'Asbestos'
Reference: Wilson,W.F.,and McKenzie,B.J.,(1978)Mineral Collecting Sites in North Carolina
'Austenite' ?
Formula: (Fe,C)
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Azurite
Formula: Cu3(CO3)2(OH)2
'Barnhardtite'
Reference: Genth,F.A (1891) The Minerals Of North Carolina;USGS Bulletion No.74
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Localities: Reported from at least 6 localities in this region.
Reference: J.Robert Butler,1984,Map showing Paleozoic Metamorphic Facies,NCGS
Bornite
Formula: Cu5FeS4
Brochantite
Formula: Cu4(SO4)(OH)6
Calcite
Formula: CaCO3
Carlsbergite
Formula: CrN
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
'Chabazite'
Chalcocite
Formula: Cu2S
Localities: Reported from at least 6 localities in this region.
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 10 localities in this region.
'Chlorite Group'
Localities: Reported from at least 10 localities in this region.
Chromite
Formula: Fe2+Cr3+2O4
Reference: Genth,Frederick Augustus (1891) The Minerals Of North Carolina;USGS Bulletion No.74
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Genth,F.A.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
'Chrysolite'
Reference: Genth,Frederick Augustus (1891) The Minerals Of North Carolina;USGS Bulletion No.74
Copper
Formula: Cu
Reference: Dana 6: 1076.
Corundum
Formula: Al2O3
Reference: Genth,Frederick Augustus.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
Covellite
Formula: CuS
Cuprite
Formula: Cu2O
Cuprite var: Chalcotrichite
Formula: Cu2O
Reference: Genth,Frederick Augustus.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Goethite
Formula: α-Fe3+O(OH)
Reference: Genth,F.A,1891,Minerals of North Carolina
Gold
Formula: Au
Localities: Reported from at least 12 localities in this region.
Graphite
Formula: C
Reference: Genth,F.A (1891) The Minerals Of North Carolina;USGS Bulletion No.74
Hematite
Formula: Fe2O3
Localities: Reported from at least 9 localities in this region.
Hematite var: Specularite
Formula: Fe2O3
Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
Reference: Kenny Gay - North Carolina Geological Survey
'Heulandite subgroup'
Description: Occurs in hornblende gneiss & metagranite.
Reference: Rocks & Min.:60:96.
'Hornblende'
Ilmenite
Formula: Fe2+TiO3
Reference: Genth,F.A.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
Iron
Formula: Fe
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Iron var: Kamacite
Formula: (Fe,Ni)
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Genth,F.A.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
Kyanite
Formula: Al2(SiO4)O
Reference: J.Robert Butler,1984,Map showing Paleozoic Metamorphic Facies, NCGS
Laumontite
Formula: CaAl2Si4O12 · 4H2O
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 11 localities in this region.
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 9 localities in this region.
Malachite
Formula: Cu2(CO3)(OH)2
Localities: Reported from at least 7 localities in this region.
'Manganese Oxides'
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt, North Carolina : NCGS Bulletion 84
Molybdenite
Formula: MoS2
Reference: Genth,F.A (1891) The Minerals Of North Carolina;USGS Bulletion No.74
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 8 localities in this region.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 8 localities in this region.
Orthoclase
Formula: K(AlSi3O8)
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt, North Carolina : NCGS Bulletion 84
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Plessite'
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Donald R. Privett,P.G.,(2011) Formation And Occurrences Of Laumontite And Related Minerals , In The Carolina And Virginia , Middle Mesozoic Zeolite Facies Metamorphism Southern Appalachian Piedmont
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Reference: Genth,F.A.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
'Psilomelane'
Formula: Mn, O
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Pyrite
Formula: FeS2
Localities: Reported from at least 9 localities in this region.
Pyrite var: Auriferous Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Localities: Reported from at least 13 localities in this region.
Quartz var: Milky Quartz
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
Quartz var: Rock Crystal
Formula: SiO2
Description: Occurs in hornblende gneiss & metagranite.
Reference: Rocks & Min.:60:96.
Romanèchite
Formula: (Ba,H2O)2(Mn4+,Mn3+)5O10
Reference: Genth,F.A,1891,Minerals of North Carolina
Rutile
Formula: TiO2
Reference: USGS - Mineral Resources Data System - File 10093340
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
Schreibersite
Formula: (Fe,Ni)3P
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Siderite
Formula: FeCO3
Localities: Reported from at least 10 localities in this region.
Sillimanite
Formula: Al2(SiO4)O
Reference: J.Robert Butler,1984,Map showing Paleozoic Metamorphic Facies, NCGS
Spessartine
Formula: Mn2+3Al2(SiO4)3
Description: Reported as Manganese garnet.
Reference: Genth, F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74
'Stilbite subgroup'
Taenite
Formula: (Fe,Ni)
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Talc
Formula: Mg3Si4O10(OH)2
Reference: Genth,F.A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey
Titanite
Formula: CaTi(SiO4)O
Reference: Long,L.E.,Kulp,L.J.,and Eckelmann,F.P (1959) Chronolgy of major metamorphic events in the Southeastern United States:American Journal of Science,v.257,p.585-603
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: Genth,Frederick Augustus (1891) The Minerals Of North Carolina;USGS Bulletion No.74

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Carlsbergite1.BC.15CrN
Copper1.AA.05Cu
Gold1.AA.05Au
Graphite1.CB.05aC
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Schreibersite1.BD.05(Fe,Ni)3P
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
var: Auriferous Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Corundum4.CB.05Al2O3
Cuprite4.AA.10Cu2O
var: Chalcotrichite4.AA.10Cu2O
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
var: Specularite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
Romanèchite4.DK.10(Ba,H2O)2(Mn4+,Mn3+)5O10
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Antlerite ?7.BB.15Cu3(SO4)(OH)4
Brochantite7.BB.25Cu4(SO4)(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Kyanite9.AF.15Al2(SiO4)O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Sillimanite9.AF.05Al2(SiO4)O
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Talc9.EC.05Mg3Si4O10(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Asbestos'-
'Austenite' ?-(Fe,C)
'Barnhardtite'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chabazite'-
'Chlorite Group'-
'Chrysolite'-
'Heulandite subgroup'-
'Hornblende'-
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
'Plessite'-
'Psilomelane'-Mn, O
'Stilbite subgroup'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Carlsbergite1.1.20.1CrN
Copper1.1.1.3Cu
Gold1.1.1.1Au
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Schreibersite1.1.21.2(Fe,Ni)3P
Taenite1.1.11.2(Fe,Ni)
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Covellite2.8.12.1CuS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
A2X3
Corundum4.3.1.1Al2O3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
AB8X16
Romanèchite7.9.2.1(Ba,H2O)2(Mn4+,Mn3+)5O10
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Antlerite ?30.1.12.1Cu3(SO4)(OH)4
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq
Pseudomalachite41.4.3.1Cu5(PO4)2(OH)4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
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
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Orthoclase76.1.1.1K(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Heulandite-Ca77.1.4.1(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'-
'Asbestos'-
'Austenite' ?-(Fe,C)
'Barnhardtite'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chabazite'-
'Chlorite Group'-
'Chrysolite'-
Cuprite
var: Chalcotrichite
-Cu2O
Hematite
var: Specularite
-Fe2O3
'Heulandite subgroup'-
'Hornblende'-
Iron-Fe
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Plessite'-
'Psilomelane'-Mn, O
Pyrite
var: Auriferous Pyrite
-FeS2
Quartz
var: Milky Quartz
-SiO2
var: Rock Crystal-SiO2
'Stilbite subgroup'-
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H LaumontiteCaAl2Si4O12 · 4H2O
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H BrochantiteCu4(SO4)(OH)6
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H PseudomalachiteCu5(PO4)2(OH)4
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H KaoliniteAl2(Si2O5)(OH)4
H PhlogopiteKMg3(AlSi3O10)(OH)2
H AzuriteCu3(CO3)2(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Goethiteα-Fe3+O(OH)
H Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
H Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H TalcMg3Si4O10(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H AntleriteCu3(SO4)(OH)4
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
CCarbon
C SideriteFeCO3
C MalachiteCu2(CO3)(OH)2
C CalciteCaCO3
C AnkeriteCa(Fe2+,Mg)(CO3)2
C AzuriteCu3(CO3)2(OH)2
C GraphiteC
C Austenite(Fe,C)
NNitrogen
N CarlsbergiteCrN
OOxygen
O LaumontiteCaAl2Si4O12 · 4H2O
O SideriteFeCO3
O QuartzSiO2
O CupriteCu2O
O MalachiteCu2(CO3)(OH)2
O Quartz (var: Rock Crystal)SiO2
O CalciteCaCO3
O Limonite(Fe,O,OH,H2O)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O MagnetiteFe2+Fe23+O4
O BrochantiteCu4(SO4)(OH)6
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O AnkeriteCa(Fe2+,Mg)(CO3)2
O HematiteFe2O3
O Hematite (var: Specularite)Fe2O3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O PsilomelaneMn, O
O PseudomalachiteCu5(PO4)2(OH)4
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O Cuprite (var: Chalcotrichite)Cu2O
O KaoliniteAl2(Si2O5)(OH)4
O IlmeniteFe2+TiO3
O CorundumAl2O3
O Quartz (var: Milky Quartz)SiO2
O PhlogopiteKMg3(AlSi3O10)(OH)2
O AzuriteCu3(CO3)2(OH)2
O KyaniteAl2(SiO4)O
O SillimaniteAl2(SiO4)O
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Goethiteα-Fe3+O(OH)
O Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
O Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O TalcMg3Si4O10(OH)2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O ChromiteFe2+Cr23+O4
O SpessartineMn32+Al2(SiO4)3
O TitaniteCaTi(SiO4)O
O PrehniteCa2Al2Si3O10(OH)2
O OrthoclaseK(AlSi3O8)
O RutileTiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O AntleriteCu3(SO4)(OH)4
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al KaoliniteAl2(Si2O5)(OH)4
Al CorundumAl2O3
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al KyaniteAl2(SiO4)O
Al SillimaniteAl2(SiO4)O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpessartineMn32+Al2(SiO4)3
Al PrehniteCa2Al2Si3O10(OH)2
Al OrthoclaseK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si LaumontiteCaAl2Si4O12 · 4H2O
Si QuartzSiO2
Si Quartz (var: Rock Crystal)SiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si KaoliniteAl2(Si2O5)(OH)4
Si Quartz (var: Milky Quartz)SiO2
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si KyaniteAl2(SiO4)O
Si SillimaniteAl2(SiO4)O
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si TalcMg3Si4O10(OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si SpessartineMn32+Al2(SiO4)3
Si TitaniteCaTi(SiO4)O
Si PrehniteCa2Al2Si3O10(OH)2
Si OrthoclaseK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
PPhosphorus
P PseudomalachiteCu5(PO4)2(OH)4
P Schreibersite(Fe,Ni)3P
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
S CovelliteCuS
S ChalcociteCu2S
S BrochantiteCu4(SO4)(OH)6
S BorniteCu5FeS4
S ArsenopyriteFeAsS
S MolybdeniteMoS2
S Pyrite (var: Auriferous Pyrite)FeS2
S AntleriteCu3(SO4)(OH)4
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K OrthoclaseK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Ca TitaniteCaTi(SiO4)O
Ca PrehniteCa2Al2Si3O10(OH)2
TiTitanium
Ti IlmeniteFe2+TiO3
Ti TitaniteCaTi(SiO4)O
Ti RutileTiO2
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr CarlsbergiteCrN
MnManganese
Mn PsilomelaneMn, O
Mn Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe ChalcopyriteCuFeS2
Fe SideriteFeCO3
Fe PyriteFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe MagnetiteFe2+Fe23+O4
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe HematiteFe2O3
Fe BorniteCu5FeS4
Fe Hematite (var: Specularite)Fe2O3
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe IlmeniteFe2+TiO3
Fe ArsenopyriteFeAsS
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Goethiteα-Fe3+O(OH)
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe ChromiteFe2+Cr23+O4
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Taenite(Fe,Ni)
Fe Schreibersite(Fe,Ni)3P
Fe Pyrite (var: Auriferous Pyrite)FeS2
Fe IronFe
Fe Austenite(Fe,C)
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Taenite(Fe,Ni)
Ni Schreibersite(Fe,Ni)3P
CuCopper
Cu ChalcopyriteCuFeS2
Cu CupriteCu2O
Cu MalachiteCu2(CO3)(OH)2
Cu CopperCu
Cu CovelliteCuS
Cu ChalcociteCu2S
Cu BrochantiteCu4(SO4)(OH)6
Cu BorniteCu5FeS4
Cu PseudomalachiteCu5(PO4)2(OH)4
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu Cuprite (var: Chalcotrichite)Cu2O
Cu AzuriteCu3(CO3)2(OH)2
Cu AntleriteCu3(SO4)(OH)4
AsArsenic
As ArsenopyriteFeAsS
MoMolybdenum
Mo MolybdeniteMoS2
BaBarium
Ba Romanèchite(Ba,H2O)2(Mn4+,Mn3+)5O10
AuGold
Au GoldAu

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Guilford_County,_North_Carolina
Wikidata ID:Q502257
GeoNames ID:4469393

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