Raadeite

Raadeit

Mg₇(PO₄)₂(OH)₈

monoclinic

Rabbittite

Rabbittit

Ca₃Mg₃(UO₂)₂(CO₃)₆(OH)₄ • 18H₂O

monoclinic

Rabejacite

Rabejacit

Ca(UO₂)₄(SO₄)₂(OH)₆ • 6H₂O

orthorhombic

Radhakrishnaite

Radhakrishnait

PbTe₃(Cl, S)₂

tetragonal

Radovanite

Radovanit

Cu₂Fe³⁺(As⁵⁺O₄)(As³⁺O₂OH)₂ • H₂O

orthorhombic

Radtkeite

Radtkeit

Hg₃S₂ClI

orthorhombic

Raguinite

Raguinit

TlFeS₂

orthorhombic

Raite

Rait

Na₄Mn²⁺₄Si₈(O, OH)₂₄ • 9h₂O (?)

orthorhombic

Rajite

Rajit

Cu²⁺Te⁴⁺₂O₅

monoclinic

Ralstonite

Ralstonit

Na_xMg_xAl_2-x(F, OH)₆ • H₂O

cubic

Rambergite

Rambergit

MnS

hexagonal

Ramdohrite

Ramdohrit

Ag₃Pb₆Sb₁₁S₂₄

monoclinic

Rameauite

Rameauit

K₂CaU⁶⁺₆O₂₀ • 9H₂O

monoclinic

Rammelsbergite

Rammelsbergit

NiAs₂

orthorhombic

Ramsbeckite

Ramsbeckit

(Cu²⁺, Zn)₁₅(SO₄)₄(OH)₂₂ • 6H₂O

monoclinic

Ramsdellite

Ramsdellit

Mn⁴⁺O₂

orthorhombic

Ranciéite

Ranciéit

(Ca, Mn²⁺)Mn⁴⁺₄O₉ • 3H₂O

hexagonal

Rankachite

Rankachit

CaFe²⁺V⁵⁺₄W⁶⁺₈O₃₆ • 12H₂O

orthorhombic

Rankamaite

Rankamait

(Na, K, Pb, Li)₃(Ta, Nb, Al)₁₁(O, OH)₃₀

orthorhombic

Rankinite

Rankinit

Ca₃Si₂O₇

monoclinic

Ransomite

Ransomit

Cu²⁺Fe³⁺₂(SO₄)₄ • 6H₂O

monoclinic

Ranunculite

Ranunculit

HAl(UO₂)PO₄(OH)₃ • 4H₂O

monoclinic (?)

Rapidcreekite

Rapidcreekit

Ca₂(SO₄)(CO₃) • 4H₂O

orthorhombic

Rappoldite

Rappoldit

Pb(Co, Ni)₂(AsO₄)₂ • 2H₂O

monoclinic

Raslakite

Raszlakit

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

trigonal

Raspite

Raspit

PbWO₄

monoclinic

Rasvumite

Raszvumit

KFe₂S₃

orthorhombic

Rathite

Rathit

(Pb, Tl)₃As₅S₁₀

monoclinic

Rauenthalite

Rauenthalit

Ca₃(AsO₄)₂ • 10H₂O

triclinic

Rauvite

Rauvit

Ca(UO₂)₂V⁵⁺₁₀O₂₈ • 16H₂O

?

Ravatite

Ravatit

C₁₄H₁₀

monoclinic

Rayite

Rayit

(Ag, Tl)₂Pb₈Sb₈S₂₁

monoclinic

Realgar

Realgár

AsS

monoclinic

Rebulite

Rebulit

Tl₅Sb₅As₈S₂₂

monoclinic

Rectorite

Rectorit

(Na, Ca)Al₄(Si, Al)₈O₂₀(OH)₄ • 2H₂O

monoclinic

Reddingite

Reddingit

Mn²⁺₃(PO₄)₂ • 3H₂O

orthorhombic

Redgillite

Redgillit

Cu₆SO₄(OH)₁₀ • H₂O

monoclinic

Redingtonite

Redingtonit

(Fe²⁺, Mg, Ni)(Cr, Al)₂(SO₄)₄ • 22H₂O

monoclinic

Redledgeite

Redledgeit

BaTi₆Cr³⁺₂O₁₆ • H₂O

tetragonal, monoclinic

Reederite-(Y)

Reederit-(Y)

Na₁₅Y₂(CO₃)₉(SO₃F)Cl

hexagonal

Reedmergnerite

Reedmergnerit

NaBSi₃O₈

triclinic

Reevesite

Reevesit

Ni₆Fe³⁺₂(CO₃)(OH)₁₆ • 4H₂O

trigonal

Refikite

Refikit

C₂₀H₃₂O₂

orthorhombic

Reichenbachite

Reichenbachit

Cu₅(PO₄)₂(OH)₄

monoclinic

Reidite

Reidit

ZrSiO₄

tetragonal

Reinerite

Reinerit

Zn₃(As³⁺O₃)₂

orthorhombic

Reinhardbraunsite

Reinhardbraunsit

Ca₅(SiO₄)₂(OH, F)₂

monoclinic

Remondite-(Ce)

Remondit-(Ce)

Na₃(Ce, La, Ca, Na, Sr)₃(CO₃)₅

monoclinic

Remondite-(La)

Remondit-(La)

Na₃(La, Ce, Ca)₃(CO₃)₅

monoclinic

Rengeite

Rengeit

Sr₄ZrTi₄Si₄O₂₂

monoclinic

Reniérite

Reniérit

(Cu, Zn)₁₁(Ge, As)₂Fe₄S₁₆

tetragonal

Reppiaite

Reppiait

Mn²⁺₅(VO₄)₂(OH)₄

monoclinic

Retgersite

Retgersit

NiSO₄ • 6H₂O

tetragonal

Retzian-(Ce)

Retzián-(Ce)

(Mn²⁺, Mg)₂(Ce, Nd)(AsO₄)(OH)₄

orthorhombic

Retzian-(La)

Retzián-(La)

(Mn²⁺, Mg)₂(La, Ce, Nd)(AsO₄)(OH)₄

orthorhombic

Retzian-(Nd)

Retzián-(Nd)

(Mn²⁺, Mg)₂(Nd, La, Ce)(AsO₄)(OH)₄

orthorhombic

Revdite

Revdit

Na₁₆Si₁₆O₂₇(OH)₂₆ • 28H₂O

monoclinic

Reyerite

Reyerit

(Na, K)₂Ca₁₄Al₂Si₂₂O₅₈(OH)₈ • 6H₂O

trigonal

Rhabdophane-(Ce)

Rabdofán-(Ce)

(Ce, La)PO₄ • H₂O

hexagonal

Rhabdophane-(La)

Rabdofán-(La)

(La, Ce)PO₄ • H₂O

hexagonal

Rhabdophane-(Nd)

Rabdofán-(Nd)

(Nd, Ce, La)PO₄ • H₂O

hexagonal

Rhodarsenide

Rodarzenid

(Rh, Pd)₂As

orthorhombic

Rhodesite

Rhodesit

KHCa₂Si₈O₁₉ • 5H₂O

orthorhombic

Rhodium

Ródium

Rh

cubic

Rhodizite

Rodizit

(K, Cs)Al₄Be₄(B, Be)₁₂O₂₈

cubic

Rhodochrosite

Rodokrozit

Mn²⁺CO₃

trigonal

Rhodonite

Rodonit

Mn²⁺SiO₃

triclinic

Rhodostannite

Rodosztannit

Cu₂FeSn₃S₈

tetragonal

Rhodplumsite

Rodplumszit

Pb₂Rh₃S₂

trigonal

Rhomboclase

Romboklász

(H₅O₂)Fe³⁺(SO₄)₂ • 2H₂O

orthorhombic

Rhönite

Rhönit

Ca₂(Mg, Fe²⁺, Fe³⁺, Ti)₆(Si, Al)₆O₂₀

triclinic

Ribbeite

Ribbeit

(Mn²⁺, Mg)₅(SiO₄)₂(OH)₂

orthorhombic

Richellite

Richellit

(Ca, Fe²⁺)(Fe³⁺, Al)₂(PO₄)₂(OH)₂

amorphous

Richelsdorfite

Richelsdorfit

Ca₂Cu₅Sb⁵⁺(AsO₄)₄(OH)₆Cl • 6H₂O

monoclinic

Richetite

Richetit

PbU⁶⁺₄O₁₃ • 4H₂O

triclinic

Richterite

Richterit

Na[NaCa](Mg, Fe²⁺)₅Si₈O₂₂(OH)₂

monoclinic

Rickardite

Rickardit

Cu₇Te₅

orthorhombic

Riebeckite

Riebeckit

Na₂[(Fe²⁺, Mg)₃Fe³⁺₂]Si₈O₂₂(OH)₂

monoclinic

Rilandite

Rilandit

(Cr³⁺, Al)₆SiO₁₁ • 5H₂O (?)

?

Rimkorolgite

Rimkorolgit

(Mg, Mn²⁺)₅(Ba, Sr)(PO₄)₄ • 8H₂O

orthorhombic

Ringwoodite

Ringwoodit

(Mg, Fe²⁺)₂SiO₄

cubic

Rinkite

Rinkit

(Ca, Ce)₄Na(Na, Ca)₂Ti(Si₂O₇)₂F₂(O, F)₂

monoclinic

Rinmanite

Rinmanit

Zn₂Sb₂Mg₂Fe³⁺₄O₁₄(OH)₂

hexagonal

Rinneite

Rinneit

K₃NaFe²⁺Cl₆

trigonal

Riomarinaite

Riomarinait

BiSO₄(OH) • H₂O

monoclinic

Rittmannite

Rittmannit

(Mn²⁺, Ca)Mn²⁺(Fe²⁺, Mn²⁺, Mg)₂(Al, Fe³⁺)₂(PO₄)₄(OH)₂ • 8H₂O

monoclinic

Rivadavite

Rivadavit

Na₆MgB₂₄O₄₀ • 22H₂O

monoclinic

Riversideite

Riversideit

Ca₅Si₆O₁₆(OH)₂ • 2H₂O

orthorhombic

Roaldite

Roaldit

(Fe, Ni)₄N

cubic

Robertsite

Robertsit

Ca₂Mn³⁺₃O₂(PO₄)₃ • 3H₂O

monoclinic

Robinsonite

Robinsonit

Pb₄Sb₆S₁₃

triclinic

Rockbridgeite

Rockbridgeit

(Fe²⁺, Mn²⁺)Fe³⁺₄(PO₄)₃(OH)₅

orthorhombic

Rodalquilarite

Rodalquilarit

H₃Fe³⁺₂(Te⁴⁺O₃)₄Cl

triclinic

Rodolicoite

Rodolicoit

Fe³⁺PO₄

trigonal

Roeblingite

Roeblingit

Pb₂Ca₆Mn²⁺Si₆O₁₈(SO₄)₂(OH)₂ • 4H₂O

monoclinic

Roedderite

Roedderit

KNa(Mg, Fe²⁺)₅Si₁₂O₃₀

hexagonal

Roggianite

Roggianit

Ca₂BeAl₂Si₄O₁₃(OH)₂ • 2.5H₂O

tetragonal

Rohaite

Rohait

TlCu₅SbS₂

orthorhombic

Rokühnite

Rokühnit

Fe²⁺Cl₂ • 2H₂O

monoclinic

Rollandite

Rollandit

Cu₃(AsO₄)₂ • 4H₂O

orthorhombic

Romanèchite

Romanèchit

(Ba, H₂O)₂(Mn⁴⁺, Mn³⁺)₅O₁₀

monoclinic

Romarchite

Romarchit

SnO

tetragonal

Roméite

Roméit

(Ca, Fe²⁺, Mn²⁺, Na)₂(Sb, Ti)₂O₆(O, OH, F)

cubic

Römerite

Römerit

Fe²⁺Fe³⁺₂(SO₄)₄ • 14H₂O

triclinic

Rondorfite

Rondorfit

Ca₈Mg(SiO₄)₄Cl₂

cubic

Ronneburgite

Ronneburgit

K₂MnV₄O₁₂

monoclinic

Röntgenite-(Ce)

Röntgenit-(Ce)

Ca₂(Ce, La)₃(CO₃)₅F₃

trigonal

Rooseveltite

Rooseveltit

BiAsO₄

monoclinic

Roquesite

Roquesit

CuInS₂

tetragonal

Rorisite

Roriszit

CaFCl

tetragonal

Rosasite

Rosasit

(Cu²⁺, Zn)₂(CO₃)(OH)₂

monoclinic

Roscherite

Roscherit

Ca(Mn²⁺, Fe²⁺)₂Be₃(PO₄)₃(OH)₃ • 2H₂O

monoclinic, triclinic

Roscoelite

Roscoelit

K(V³⁺, Al, Mg)₂Si₃AlO₁₀(OH)₂

monoclinic

Roselite

Roselit

Ca₂(Co, Mg)(AsO₄)₂ • 2H₂O

monoclinic

Roselite-beta

Roselit-béta

Ca₂Co(AsO₄)₂ • 2H₂O

triclinic

Rosemaryite

Rosemaryit

(Na, Ca, Mn²⁺)(Mn²⁺, Fe²⁺)(Fe³⁺, Fe²⁺, Mg)Al(PO₄)₃

monoclinic

Rosenbergite

Rosenbergit

AlF₃ • 3H₂O

tetragonal

Rosenbuschite

Rosenbuschit

(Ca, Na)₃(Zr, Ti)Si₂O₇(O, F)₂

triclinic

Rosenhahnite

Rosenhahnit

Ca₃Si₃O₈(OH)₂

triclinic

Roshchinite

Roscsinit

Ag₁₉Pb₁₀Sb₅₁S₉₆

orthorhombic

Rosiaite

Rosiait

PbSb₂O₆

trigonal

Rosickýite

Rosickýit

S

monoclinic

Rosièresite

Rosièresit

Pb_xCu_yAl_z(PO₄)_m • nH₂O

amorphous

Rossite

Rossit

CaV⁵⁺₂O₆ • 4H₂O

triclinic

Rösslerite

Rösslerit

MgHAsO₄ • 7H₂O

monoclinic

Rossmanite

Rossmanit

o(LiAl₂)Al₆(BO₃)₃Si₆O₁₈(OH)₄

trigonal

Rostite

Rostit

Al(SO₄)(OH, F) • 5H₂O

orthorhombic

Rouaite

Rouait

Cu₂(NO₃)(OH)₃

monoclinic

Roubaultite

Roubaultit

Cu²⁺₂(UO₂)₃(CO₃)₂O₂(OH)₂ • 4H₂O

triclinic

Rouseite

Rouseit

Pb₂Mn²⁺(As³⁺O₃)₂ • 2H₂O

triclinic

Routhierite

Routhierit

(Tl, Cu)HgAsS₃

tetragonal

Rouvilleite

Rouvilleit

Na₃Ca₂(CO₃)₃F

monoclinic

Rouxelite

Rouxelit

Cu₂HgPb₂₂Sb₂₈S₆₄(O, S)₂

monoclinic

Roweite

Roweit

Ca₂Mn²⁺₂B₄O₇(OH)₆

orthorhombic

Rowlandite-(Y)

Rowlandit-(Y)

Y₄Fe²⁺Si₄O₁₄F₂ (?)

triclinic

Roxbyite

Roxbyit

Cu₉S₅

monoclinic

Rozenite

Rozenit

Fe²⁺SO₄ • 4H₂O

monoclinic

Ruarsite

Ruarzit

RuAsS

monoclinic

Rubicline

Rubiklin

(Rb, K)AlSi₃O₈

triclinic

Rucklidgeite

Rucklidgeit

(Bi, Pb)₃TE₄

trigonal

Rudenkoite

Rugyenkoit

Sr₃Al₃(Si, Al)₄O₁₀(OH, O)₈Cl₂ • H₂O

monoclinic

Ruitenbergite

Ruitenbergit

Ca₉B₂₆O₃₄(OH)₂₄Cl₄ • 13H₂O

monoclinic

Ruizite

Ruizit

Ca₂Mn³⁺₂Si₄O₁₁(OH)₄ • 2H₂O

monoclinic

Rusakovite

Ruszakovit

(Fe³⁺, Al)₅(VO₄, PO₄)₂(OH)₉ • 3H₂O

?

Russellite

Russellit

Bi₂WO₆

orthorhombic

Rustenburgite

Rustenburgit

(Pt, Pd)₃Sn

cubic

Rustumite

Rustumit

Ca₁₀(SiO₄)(Si₂O₇)₂Cl₂(OH)₂

monoclinic

Ruthenarsenite

Rutenarzenit

(Ru, Ni)As

orthorhombic

Rutheniridosmine

Ruteniridozmin

(Os, Ir, Ru)

hexagonal

Ruthenium

Ruténium

Ru

hexagonal

Ruthenosmiridium

Rutenozmirídium

(Ir, Os, Ru)

cubic

Rutherfordine

Rutherfordin

UO₂(CO₃)

orthorhombic

Rutile

Rutil

TiO₂

tetragonal

Rynersonite

Rynersonit

Ca(Ta, Nb)₂O₆

orthorhombic