SUPPORT US. If mindat.org is important to you, click here to donate to our Fall 2019 fundraiser!
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 ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

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

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Locality type:
Largest Settlements:
PlacePopulation
Asheboro26,103 (2017)
Archdale11,564 (2017)
Trinity6,669 (2017)
Randleman4,153 (2017)
Liberty2,683 (2017)
Ramseur1,701 (2017)
Other Languages:
French:
comté de Randolph, Caroline du Nord, États-Unis
German:
Randolph County, North Carolina, Vereinigte Staaten
Italian:
contea di Randolph, Carolina del Nord, Stati Uniti d'America
Russian:
Рэндольф, Северная Каролина, Соединённые Штаты Америки
Simplified Chinese:
蘭道夫縣, 北卡罗来纳州, 美国
Spanish:
Condado de Randolph, Carolina del Norte, Estados Unidos
Albanian:
Randolph County, North Carolina, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة راندولف, كارولاينا الشمالية, الولايات المتحدة
Basque:
Randolph konderria, Ipar Carolina
Bavarian:
Randolph County, North Carolina, Vaoanigte Stootn
Bishnupriya Manipuri:
রেন্ডলফ কাউন্টি, নর্থ ক্যারোলাইনা, তিলপারাষ্ট্র
Bulgarian:
Рандолф, Северна Каролина, Съединени американски щати
Cebuano:
Randolph County, North Carolina
Dutch:
Randolph County, North Carolina, Verenigde Staten
Farsi/Persian:
شهرستان رندولف، کارولینای شمالی, کارولینای شمالی, ایالات متحده آمریکا
Hebrew:
מחוז רנדולף, קרוליינה הצפונית, ארצות הברית
Hungarian:
Randolph megye, Észak-Karolina, Amerikai Egyesült Államok
Irish Gaelic:
Contae Randolph, Carolina Thuaidh, Stáit Aontaithe Mheiriceá
Japanese:
ランドルフ郡, ノースカロライナ州, アメリカ合衆国
Low Saxon/Low German:
Randolph County, Noord-Carolina, USA
Min Dong Chinese:
Randolph Gông, North Carolina
Minnan / Hokkien-Taiwanese:
Randolph Kūn
Norwegian:
Randolph County, Nord-Carolina, USA
Polish:
Hrabstwo Randolph, Karolina Północna, Stany Zjednoczone
Portuguese:
Condado de Randolph, Carolina do Norte, Estados Unidos
Romanian:
Comitatul Randolph, Carolina de Nord, Statele Unite ale Americii
Sardinian:
contea de Randolph, Carolina de Nord, Istados Unidos de Amèrica
Scots:
Randolph Coonty, North Carolina
Serbian:
Округ Рандолф, Северна Каролина, Сједињене Америчке Државе
Serbo-Croatian:
Randolph County, Sjeverna Karolina, Sjedinjene Američke Države
Swedish:
Randolph County, North Carolina, USA
Traditional Chinese:
蘭道夫郡, 北卡羅萊納州, 美國
Turkish:
Randolph County, Kuzey Karolina, Amerika Birleşik Devletleri
Ukrainian:
Рендолф, Північна Кароліна, Сполучені Штати Америки
Urdu:
رینڈولف کاؤنٹی، شمالی کیرولینا, شمالی کیرولائنا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Randolph, North Carolina, Chủng Quốc Hoa Kỳ
Waray:
Condado han Randolph, North Carolina, Estados Unidos
Western Punjabi:
رانڈولف کاؤنٹی, نارتھ کیرولائنا, امریکہ


Note: The geographic coordinates presented are taken from the Asheboro topo map (GNIS database preferred). The USGS GNIS database presents 20 sets of coordinates for this county.

Select Mineral List Type

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

56 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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'
'Alkali Feldspar'
Reference: GSA Southeastern Section - 60th Annual Meeting (23–25 March 2011) Paper No. 13-11
Andalusite
Formula: Al2(SiO4)O
Arsenopyrite
Formula: FeAsS
Baryte
Formula: BaSO4
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Localities: Reported from at least 10 localities in this region.
Bornite
Formula: Cu5FeS4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Calaverite
Formula: AuTe2
Reference: Elemental, Fire Assay, Visual
Calcite
Formula: CaCO3
Localities: Reported from at least 6 localities in this region.
Carlsbergite
Formula: CrN
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Chalcocite
Formula: Cu2S
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84
Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 10 localities in this region.
'Chlorite Group'
Localities: Reported from at least 18 localities in this region.
Chloritoid
Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Clinozoisite
Formula: {Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Reference: GSA Southeastern Section - 60th Annual Meeting (23–25 March 2011) Paper No. 13-11
Covellite
Formula: CuS
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Daubréelite
Formula: Fe2+Cr3+2S4
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Diaspore
Formula: AlO(OH)
Dolomite
Formula: CaMg(CO3)2
Reference: GSA Southeastern Section - 60th Annual Meeting (23–25 March 2011) Paper No. 13-12
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Localities: Reported from at least 7 localities in this region.
'Fayalite-Forsterite Series'
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84
'Feldspar Group'
Fluellite
Formula: Al2(PO4)F2(OH) · 7H2O
Habit: 3-4mm
Fluorescence: LW - creamy white
Reference: [MinRec 8:392-393]
Fluorapatite
Formula: Ca5(PO4)3F
Habit: Vein
Colour: white
Fluorescence: light orange in SW and LW
Reference: MinRec 8:392-393
Fluorite
Formula: CaF2
Galena
Formula: PbS
Goethite
Formula: α-Fe3+O(OH)
Gold
Formula: Au
Localities: Reported from at least 33 localities in this region.
Gormanite ?
Formula: (Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Reference: Belmont Abbey College Collection
Halite ?
Formula: NaCl
Reference: Schmidt,Robert G.,(1985) High-Alumina Hydrothermal Systems in Volcanic Rocks,and their Significence to Mineral Prospecting in the Carolina Slate Belt:U.S Geological Survey Bulletin #1562
Hematite
Formula: Fe2O3
Localities: Reported from at least 18 localities in this region.
Hematite var: Specularite
Formula: Fe2O3
'Hornblende'
Reference: Gems and Minerals of America- Jay Ellis Ransom_1974
Ilmenite
Formula: Fe2+TiO3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
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
Localities: Reported from at least 9 localities in this region.
'K Feldspar'
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: Elemental and Fire Assay testing
Lazulite
Formula: MgAl2(PO4)2(OH)2
'Limonite'
Formula: (Fe,O,OH,H2O)
Localities: Reported from at least 15 localities in this region.
Löllingite
Formula: FeAs2
Reference: Genth,F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 9 localities in this region.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84
'Manganese Oxides'
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84
Molybdenite
Formula: MoS2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 33 localities in this region.
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 30 localities in this region.
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84
Orthoclase
Formula: K(AlSi3O8)
Reference: Gems and Minerals of America- Jay Ellis Ransom_1974
Ottrélite
Formula: (Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
'Plessite'
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Pyrite
Formula: FeS2
Localities: Reported from at least 39 localities in this region.
Pyrite var: Auriferous Pyrite
Formula: FeS2
Pyrophyllite
Formula: Al2Si4O10(OH)2
Localities: Reported from at least 9 localities in this region.
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Localities: Reported from at least 38 localities in this region.
Quartz var: Amethyst
Formula: SiO2
Reference: Wayne Osborne Collection
Quartz var: Bull Quartz
Formula: SiO2
Reference: Carpenter III, P. Albert (1976) Metallic Mineral Deposits of the Carolina Slate Belt , North Carolina : NCGS Bulletion 84
Quartz var: Milky Quartz
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
Quartz var: Rutilated Quartz
Formula: SiO2
Reference: Rocks & Min. 71(4):248
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Wayne Osborne Collection
Rutile
Formula: TiO2
Schreibersite
Formula: (Fe,Ni)3P
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Siderite
Formula: FeCO3
Reference: Genth,Frederick Augustus (1891) The Minerals Of North Carolina;USGS Bulletion No.74
Silver
Formula: Ag
Reference: Visual, Fire Assay, Elemental
Sphalerite
Formula: ZnS
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,North Carolina
Topaz
Formula: Al2(SiO4)(F,OH)2
'Tourmaline'
Formula: A(D3)G6(Si6O18)(BO3)3X3Z
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Troilite
Formula: FeS
Reference: Buchwald,Vagn F.,(1975) Handbook of Iron Meteorites
Variscite
Formula: AlPO4 · 2H2O
Reference: MinRec 8:392-393
Wavellite
Formula: Al3(PO4)2(OH,F)3 · 5H2O
Reference: MinRec 8:392-393
Zircon
Formula: Zr(SiO4)
Reference: Rapprecht, R., Stewart, K. G., & Lapoint, D. (2010, March). A Study of Late-proterozoic Host Rocks, Their Style of Alteration and the Age of Mineralization at the Deep River Gold Prospect, Randolph and Moore Counties, North Carolina. In Geological Society of America Abstracts with Programs, (Vol. 42, No. 1, p. 168).

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Carlsbergite1.BC.15CrN
Gold1.AA.05Au
Iron1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Schreibersite1.BD.05(Fe,Ni)3P
Silver1.AA.05Ag
Taenite1.AE.10(Fe,Ni)
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Bornite2.BA.15Cu5FeS4
Calaverite2.EA.10AuTe2
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Covellite2.CA.05aCuS
Daubréelite2.DA.05Fe2+Cr3+2S4
Galena2.CD.10PbS
Löllingite2.EB.15aFeAs2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
var: Auriferous Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Troilite2.CC.10FeS
Group 3 - Halides
Fluorite3.AB.25CaF2
Halite ?3.AA.20NaCl
Group 4 - Oxides and Hydroxides
Diaspore4.FD.10AlO(OH)
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: Amethyst4.DA.05SiO2
var: Bull Quartz4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Rutilated Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Fluellite8.DE.10Al2(PO4)F2(OH) · 7H2O
Fluorapatite8.BN.05Ca5(PO4)3F
Gormanite ?8.DC.45(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Variscite8.CD.10AlPO4 · 2H2O
Wavellite8.DC.50Al3(PO4)2(OH,F)3 · 5H2O
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Andalusite9.AF.10Al2(SiO4)O
Chloritoid9.AF.85(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Clinozoisite9.BG.05a{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Orthoclase9.FA.30K(AlSi3O8)
Ottrélite9.AF.85(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Pyrophyllite9.EC.10Al2Si4O10(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Feldspar Group'-
'Hornblende'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
'Plessite'-
'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
Gold1.1.1.1Au
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Schreibersite1.1.21.2(Fe,Ni)3P
Silver1.1.1.2Ag
Taenite1.1.11.2(Fe,Ni)
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
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
Troilite2.8.9.1FeS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 3:4
Daubréelite2.10.1.11Fe2+Cr3+2S4
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Calaverite2.12.13.2AuTe2
Löllingite2.12.2.9FeAs2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Diaspore6.1.1.1AlO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX
Halite ?9.1.1.1NaCl
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
(AB)3(XO4)2Zq
Lazulite41.10.1.1MgAl2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq·xH2O
Fluellite42.6.9.1Al2(PO4)F2(OH) · 7H2O
(AB)7(XO4)4Zq·xH2O
Gormanite ?42.9.2.2(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
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
Andalusite52.2.2b.1Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Chloritoid52.3.3.1(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Ottrélite52.3.3.3(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Topaz52.3.1.1Al2(SiO4)(F,OH)2
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)
Clinozoisite58.2.1a.4{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
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
Pyrophyllite71.2.1.1Al2Si4O10(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
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
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'-
'Alkali Feldspar'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Feldspar Group'-
Hematite
var: Specularite
-Fe2O3
'Hornblende'-
Iron-Fe
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Manganese Oxides'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Plessite'-
Pyrite
var: Auriferous Pyrite
-FeS2
Quartz
var: Amethyst
-SiO2
var: Bull Quartz-SiO2
var: Milky Quartz-SiO2
var: Rutilated Quartz-SiO2
var: Smoky Quartz-SiO2
'Tourmaline'-A(D3)G6(Si6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H FluelliteAl2(PO4)F2(OH) · 7H2O
H PyrophylliteAl2Si4O10(OH)2
H Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
H DiasporeAlO(OH)
H LazuliteMgAl2(PO4)2(OH)2
H Limonite(Fe,O,OH,H2O)
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H TopazAl2(SiO4)(F,OH)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H KaoliniteAl2(Si2O5)(OH)4
H MuscoviteKAl2(AlSi3O10)(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Goethiteα-Fe3+O(OH)
H TalcMg3Si4O10(OH)2
H Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
H VarisciteAlPO4 · 2H2O
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
H PhlogopiteKMg3(AlSi3O10)(OH)2
H MalachiteCu2(CO3)(OH)2
H NatroliteNa2Al2Si3O10 · 2H2O
H Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
BBoron
B TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C SideriteFeCO3
C MalachiteCu2(CO3)(OH)2
NNitrogen
N CarlsbergiteCrN
OOxygen
O FluelliteAl2(PO4)F2(OH) · 7H2O
O PyrophylliteAl2Si4O10(OH)2
O Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
O DiasporeAlO(OH)
O LazuliteMgAl2(PO4)2(OH)2
O AndalusiteAl2(SiO4)O
O QuartzSiO2
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
O Quartz (var: Rutilated Quartz)SiO2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O TopazAl2(SiO4)(F,OH)2
O TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
O MagnetiteFe2+Fe23+O4
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O KaoliniteAl2(Si2O5)(OH)4
O MuscoviteKAl2(AlSi3O10)(OH)2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O IlmeniteFe2+TiO3
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O CalciteCaCO3
O Hematite (var: Specularite)Fe2O3
O BaryteBaSO4
O OrthoclaseK(AlSi3O8)
O Goethiteα-Fe3+O(OH)
O TalcMg3Si4O10(OH)2
O Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
O DolomiteCaMg(CO3)2
O RutileTiO2
O VarisciteAlPO4 · 2H2O
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
O FluorapatiteCa5(PO4)3F
O SideriteFeCO3
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Quartz (var: Milky Quartz)SiO2
O MalachiteCu2(CO3)(OH)2
O Quartz (var: Bull Quartz)SiO2
O NatroliteNa2Al2Si3O10 · 2H2O
O Quartz (var: Smoky Quartz)SiO2
O Quartz (var: Amethyst)SiO2
O ZirconZr(SiO4)
O K Feldspar (var: Adularia)KAlSi3O8
O Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
FFluorine
F FluelliteAl2(PO4)F2(OH) · 7H2O
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F TopazAl2(SiO4)(F,OH)2
F FluoriteCaF2
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
F FluorapatiteCa5(PO4)3F
NaSodium
Na NatroliteNa2Al2Si3O10 · 2H2O
Na HaliteNaCl
MgMagnesium
Mg Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Mg LazuliteMgAl2(PO4)2(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
Mg DolomiteCaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al FluelliteAl2(PO4)F2(OH) · 7H2O
Al PyrophylliteAl2Si4O10(OH)2
Al Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Al DiasporeAlO(OH)
Al LazuliteMgAl2(PO4)2(OH)2
Al AndalusiteAl2(SiO4)O
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Al Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al TopazAl2(SiO4)(F,OH)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al KaoliniteAl2(Si2O5)(OH)4
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Al VarisciteAlPO4 · 2H2O
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al NatroliteNa2Al2Si3O10 · 2H2O
Al K Feldspar (var: Adularia)KAlSi3O8
Al Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
SiSilicon
Si PyrophylliteAl2Si4O10(OH)2
Si Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Si AndalusiteAl2(SiO4)O
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Si Quartz (var: Rutilated Quartz)SiO2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si TopazAl2(SiO4)(F,OH)2
Si TourmalineA(D3)G6(Si6O18)(BO3)3X3Z
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si KaoliniteAl2(Si2O5)(OH)4
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si OrthoclaseK(AlSi3O8)
Si TalcMg3Si4O10(OH)2
Si Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Quartz (var: Milky Quartz)SiO2
Si Quartz (var: Bull Quartz)SiO2
Si NatroliteNa2Al2Si3O10 · 2H2O
Si Quartz (var: Smoky Quartz)SiO2
Si Quartz (var: Amethyst)SiO2
Si ZirconZr(SiO4)
Si K Feldspar (var: Adularia)KAlSi3O8
PPhosphorus
P FluelliteAl2(PO4)F2(OH) · 7H2O
P LazuliteMgAl2(PO4)2(OH)2
P VarisciteAlPO4 · 2H2O
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
P FluorapatiteCa5(PO4)3F
P Schreibersite(Fe,Ni)3P
P Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
S SphaleriteZnS
S GalenaPbS
S BorniteCu5FeS4
S CovelliteCuS
S PyrrhotiteFe7S8
S BaryteBaSO4
S ArsenopyriteFeAsS
S MolybdeniteMoS2
S TroiliteFeS
S DaubréeliteFe2+Cr23+S4
S Pyrite (var: Auriferous Pyrite)FeS2
S ChalcociteCu2S
ClChlorine
Cl HaliteNaCl
KPotassium
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
K K Feldspar (var: Adularia)KAlSi3O8
CaCalcium
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca CalciteCaCO3
Ca Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Ca DolomiteCaMg(CO3)2
Ca FluoriteCaF2
Ca FluorapatiteCa5(PO4)3F
TiTitanium
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
CrChromium
Cr DaubréeliteFe2+Cr23+S4
Cr CarlsbergiteCrN
MnManganese
Mn Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
FeIron
Fe Ottrélite(Mn2+,Fe2+,Mg)Al2(SiO4)O(OH)2
Fe PyriteFeS2
Fe HematiteFe2O3
Fe ChalcopyriteCuFeS2
Fe Limonite(Fe,O,OH,H2O)
Fe Chloritoid(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Fe BorniteCu5FeS4
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe MagnetiteFe2+Fe23+O4
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe IlmeniteFe2+TiO3
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe PyrrhotiteFe7S8
Fe Hematite (var: Specularite)Fe2O3
Fe Goethiteα-Fe3+O(OH)
Fe ArsenopyriteFeAsS
Fe SideriteFeCO3
Fe LöllingiteFeAs2
Fe Iron (var: Kamacite)(Fe,Ni)
Fe Taenite(Fe,Ni)
Fe Schreibersite(Fe,Ni)3P
Fe TroiliteFeS
Fe DaubréeliteFe2+Cr23+S4
Fe Pyrite (var: Auriferous Pyrite)FeS2
Fe IronFe
Fe Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Taenite(Fe,Ni)
Ni Schreibersite(Fe,Ni)3P
CuCopper
Cu ChalcopyriteCuFeS2
Cu BorniteCu5FeS4
Cu CovelliteCuS
Cu ChalcociteCu2S
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As LöllingiteFeAs2
ZrZirconium
Zr ZirconZr(SiO4)
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag SilverAg
TeTellurium
Te CalaveriteAuTe2
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
Au CalaveriteAuTe2
PbLead
Pb GalenaPbS

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Randolph_County,_North_Carolina
Wikidata ID:Q507943
GeoNames ID:4487127

Localities in this Region
Show map


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: August 20, 2019 04:03:40 Page generated: May 31, 2019 23:13:12
Go to top of page