Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Smith St. locality, Johnston, Providence County, Rhode Island, USAi
Regional Level Types
Smith St. localityRoad Cutting
JohnstonTown
Providence CountyCounty
Rhode IslandState
USACountry

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Latitude & Longitude (WGS84):
41° North , 71° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~6km
GRN:
N28W39
Type:
Road Cutting
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
29689
Long-form identifier:
mindat:1:2:29689:5
GUID (UUID V4):
0


ref.: AmMin 11:334-340. Green schist.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
References:
AmMin 11:334-340
ⓘ Calcite
Formula: CaCO3
References:
AmMin 11:334-340
ⓘ Chalcopyrite
Formula: CuFeS2
References:
AmMin 11:334-340
ⓘ Chalcopyrite var. Gold-bearing Chalcopyrite
Formula: CuFeS2 with Au
References:
AmMin 11:334-340
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
References:
AmMin 11:334-340
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
References:
AmMin 11:334-340
ⓘ Orthoclase
Formula: K(AlSi3O8)
References:
AmMin 11:334-340
ⓘ Pyrite
Formula: FeS2
References:
AmMin 11:334-340
ⓘ Quartz
Formula: SiO2
References:
AmMin 11:334-340

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘvar. Gold-bearing Chalcopyrite2.CB.10aCuFeS2 with Au
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ OrthoclaseK(AlSi3O8)
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
Sⓘ Chalcopyrite var. Gold-bearing ChalcopyriteCuFeS2 with Au
KPotassium
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Chalcopyrite var. Gold-bearing ChalcopyriteCuFeS2 with Au
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ Chalcopyrite var. Gold-bearing ChalcopyriteCuFeS2 with Au
AuGold
Auⓘ Chalcopyrite var. Gold-bearing ChalcopyriteCuFeS2 with Au

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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