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

The Rill, Mullion, Cornwall, England, UKi
Regional Level Types
The Rill- not defined -
MullionCivil Parish
CornwallCounty
EnglandConstituent Country
UKCountry

This page is currently not sponsored. Click here to sponsor this page.
Key
Latitude & Longitude (WGS84):
49° 58' 32'' North , 5° 14' 35'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW675135
Nearest Settlements:
PlacePopulationDistance
Lizard906 (2017)2.8km
Ruan Minor558 (2017)4.8km
Mullion1,955 (2017)5.7km
Coverack255 (2017)11.7km
Porthleven3,059 (2017)13.3km


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

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 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:

'Chlorite Group'
Reference: Horrell Clark, A. (1967) Mackinawite from the Lizard, Cornwall. Mineralogical Magazine, vol. 36, n° 280, 614-616. Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Horrell Clark)
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Mineralogical Magazine 1967 36 : 614-616
Mackinawite
Formula: (Fe,Ni)9S8
Description: Minute flakes in magnetite-chlorite patches in serpentinized peridotite.
Reference: Horrell Clark, A. (1967) Mackinawite from the Lizard, Cornwall. Mineralogical Magazine, vol. 36, n° 280, 614-616. Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Horrell Clark)
Magnesite
Formula: MgCO3
Reference: Mineralogical Magazine 1967 36 : 614-616
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Horrell Clark, A. (1967) Mackinawite from the Lizard, Cornwall. Mineralogical Magazine, vol. 36, n° 280, 614-616. Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177 (referring to Horrell Clark)
Pyrite
Formula: FeS2
Reference: Mineralogical Magazine 1967 36 : 614-616
Talc
Formula: Mg3Si4O10(OH)2
Reference: Mineralogical Magazine 1967 36 : 614-616
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Mineralogical Magazine 1967 36 : 614-616
Valleriite
Formula: (Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Reference: [Golley & Williams, 1995 - 65 - "Cornish Mineral Reference Manual"]

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Mackinawite2.CC.25(Fe,Ni)9S8
Pyrite2.EB.05aFeS2
Valleriite2.FD.30(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Group 5 - Nitrates and Carbonates
Magnesite5.AB.05MgCO3
Group 9 - Silicates
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Talc9.EC.05Mg3Si4O10(OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 9:8
Mackinawite2.7.2.1(Fe,Ni)9S8
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Hydroxysulfides and Hydrated Sulfides
Valleriite2.14.1.1(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
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 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
H ChrysotileMg3(Si2O5)(OH)4
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H TalcMg3Si4O10(OH)2
CCarbon
C MagnesiteMgCO3
OOxygen
O MagnesiteMgCO3
O Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
O ChrysotileMg3(Si2O5)(OH)4
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O TalcMg3Si4O10(OH)2
O MagnetiteFe2+Fe23+O4
MgMagnesium
Mg MagnesiteMgCO3
Mg Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
SiSilicon
Si ChrysotileMg3(Si2O5)(OH)4
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si TalcMg3Si4O10(OH)2
SSulfur
S Mackinawite(Fe,Ni)9S8
S Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
S PyriteFeS2
CaCalcium
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
FeIron
Fe Mackinawite(Fe,Ni)9S8
Fe Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Fe PyriteFeS2
Fe MagnetiteFe2+Fe23+O4
NiNickel
Ni Mackinawite(Fe,Ni)9S8
CuCopper
Cu Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6

Geochronology

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Paleozoic
  Permian
   Guadalupian
ⓘ Major polymetallic mineralization~270 MaCornwall, England, UK
   Cisuralian
ⓘ Porphyry dikes intruded (latest age)~275 MaCornwall, England, UK
ⓘ Greisenization (latest age)~280 MaCornwall, England, UK
ⓘ Porphyry dikes intruded (earliest age)~280 MaCornwall, England, UK
ⓘ Formation of metallized pegmatites~285 MaCornwall, England, UK
ⓘ Greisenization (earliest age)~285 MaCornwall, England, UK
ⓘ Emplacement of major plutons~295 MaCornwall, England, UK

Other Regions, Features and Areas containg this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
UK

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 1993-2020, 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: February 28, 2020 13:39:51 Page generated: November 3, 2019 14:16:21
Go to top of page