Minerals beginning with the letter R

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Image Name Formula Color
TM

Raguinite

TM

Raisaite
(IMA 2014-046)

TM

Raite

Na4Mn+24Si8(O,OH)24·9(H2O)brown, red, yellow
TM

Ralstonite

Na0.5Mg0.5Al1.5F4(OH)2·(H2O)colorless, white
TM

Rambergite
(IMA 1995-028)

MnSbrown, black
TM

Ramikite-(Y)

TM

Ramsdellite

MnO2black, gray
TM

Ranciéite

TM

Rankachite

CaFe+2V+54W+68O36·12(H2O)yellow, brown
TM

Rapidcreekite
(IMA 1984-035)

Ca2(SO4)(CO3)·4(H2O)colorless, white
TM

Raslakite
(IMA 2002-067)

Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH)red
TM

Rastsvetaevite
(IMA 2000-028)

Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2pink
TM

Rasvumite

KFe2S3gray, black
TM

Rauvite

TM

Rayite
(IMA 1982-029)

(Ag,Tl)2Pb8Sb8S21gray
TM

Realgar

As4S4red, orange, yellow
TM

Realstonite

-->

Ralstonite

Na0.5Mg0.5Al1.5F4(OH)2·(H2O)colorless, white
TM

Rebulite

TM

Redcanyonite

TM

Redledgeite

BaTi6Cr+32O16·(H2O)dark yellow green, black
TM

Reichenbachite
(IMA 1985-044)

Cu+25(PO4)2(OH)4dark green
TM

Reinhardbraunsite
(IMA 1980-032)

Ca5(SiO4)2(OH,F)2pink
TM

Renierite

TM

Revdite

Na2(Si2O5)·5(H2O)colorless, white
TM

Rhabdophane-(Ce)

(Ce,La)PO4·(H2O)white, brownish white, yellowish white, pinkish white
TM

Rhenium

Reblack
TM

Rhodesite

KHCa2Si8O19·5(H2O)white
TM

Rhodium

(Rh,Pt)white
TM

Rhodochrosite

Mg+2CO3red, yellow, brown
TM

Rhodonite

CaMn4Si5O15red, pink, yellow, brown
richardsollyite

Richardsollyite
(IMA 2016-043)

TlPbAsS3gray-black
TM

Richellite

Ca3Fe+310(PO4)8(OH)12·n(H2O)yellow brown, reddish brown
TM

Rietveldite

riotintoite

Riotintoite

Al(SO4)(OH)·3(H2O)colorless
TM

Rittmannite

TM

Rivadavite

Na6MgB24O40·22(H2O)colorless, white
TM

Robertsite

Ca6Mn+39(PO4)9O6(H2O)6·3(H2O)red, black, brown
TM

Robinsonite

Pb4Sb6S13gray
TM

Rockbridgeite

(Fe+2,Mn)Fe+34(PO4)3(OH)5green, black, brown
TM

Roedderite

(Na,K)2(Mg,Fe+2)5Si12O30blue green, colorless, yellow, brown
TM

Roggianite

Ca2(Be(OH)2Al2Si4O13)·2.5(H2O)yellow, white
TM

Romanèchite

(Ba,H2O)2(Mn+4,Mn+3)5O10·(H2O)grey black, black
TM

Rondorfite
(IMA 1997-013)

Ca8Mg(SiO4)Cl2orange, brown
TM

Ronneburgite
(IMA 1998-069)

K2Mn+2V+54O12red brown
TM

Roquesite

TM

Rosasite

(Cu,Zn)2(CO3)(OH)2blue, green
TM

Roscherite

red
TM

Roscoelite

K(V,Al,Mg)2AlSi3O10(OH)2green, brown
TM

Roselite

Ca2(Co,Mg)(AsO4)2·2(H2O)red, pink
TM

Rosenbergite

rosenhanite

Rosenhahnite

Ca3Si3O8((OH2-4x,(CO3)x)white, colorless
TM

Rossite

CaV2O6·4(H2O)yellow
TM

Röttisite

TM

Rouaite

TM

Rouxelite

TM

Roweite

TM

Roxbyite

TM

Rozenite

Fe+2SO4·4(H2O)colorless, green, white
TM

Rruffite

TM

Ruby

-->

Corundum

Al2O3red
TM

Rudabányaite

TM

Ruifrancioite
(IMA 2005-061a)

Ca2([],Mn)2(Fe+3,Mn,Mg)4Be4(PO4)6(OH)4·6(H2O)brown
TM

Ruizite

CaMn+3Si2O6(OH)·2(H2O)brown, orange
TM

Russellite

Bi2WO6orange, green, yellow
TM

Rutheniridosmine

TM

Ruthenium

(Ru,Ir,Os)white, silver, gray
TM

Rutherfordine

UO2(CO3)yellow, brown, white
TM

Rutile

TiO2red, blue, yellow, purple

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