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Mineral Index - C

• Caryinite
  Monoclinic
  (Na,Pb)(Ca,Na)(Ca,Mn²⁺)(Mn²⁺,Mg,Fe³⁺)₂[AsO₄]₃

• Caryocerite
  var. of Melanocerite-(Ce)

• Caryochroite
  Monoclinic
  (Na,Sr)₃(Fe³⁺,Mg)₁₀[(O,OH)₉|Ti₂Si₁₂O₃₇] ·(H₂O, O, OH)₁₇
• Caryopilite
  Monoclinic
  (Mn,Mg)₃Si₂O₅(OH)₄
• Cascandite
  Triclinic
  Ca(Sc,Fe³⁺)[HSi₃O₉]

• Cäsiumberyll
  syn. of Vorobyevite

• Cassagnaite
  Orthorhombic
  (Ca,Mn²⁺)₄(Fe³⁺,Mn³⁺,Al)₄(V³⁺,Mg,Al)₂[(O,OH)₄|(OH)₄|(SiO₄)₂|Si₃O₁₀]
• Cassedanneite
  Monoclinic
  Pb₅[VO₄|CrO₄]₂ · H₂O
• Cassidyite
  Triclinic
  Ca₂(Ni²⁺,Mg)[PO₄]₂ · 2H₂O

• Cassiteriet
  syn. of Cassiterite

• Cassiterite
  Tetragonal
  SnO₂

• Cassitérite
  syn. of Cassiterite

• Cassiterotantalite
  syn. of Ixiolite, Wodginite

• Castaingite
  Originally reported from Zirkel Shaft, Eisleben, Mansfeld Basin, Saxony-Anhalt, Germany.
  Hexagonal
  CuMo₂S₅

• Castanite
  syn. of Hohmannite

• Castanite (of Bandy)
  syn. of Amarantite

• Castellite
  syn. of Titanite

• Castelnaudite
  syn. of Xenotime-(Y)

• Castillite
  mixture of Bornite, Galena, Sphalerite, Stromeyerite, Tetrahedrite

• Castillite (of Domeyko)
  syn. of Guanajuatite

• Castor
  syn. of Petalite

• Castorite
  syn. of Petalite

• Caswellsilverite
  Trigonal
  NaCrS₂
• Catalanoite
  Orthorhombic
  Na₂[HPO₄] · 8H₂O
• Catamarcaite
  Hexagonal
  Cu₆GeWS₈

• Cataphorite
  syn. of Katophorite

• Catapleiite
  Monoclinic
  Na₂Zr[Si₃O₉]·2H₂O

• Catapleiite Group
  group name

• Catapleite
  syn. of Catapleiite

• Cataspilite
  syn. of Pinite

• Cat-gold
  syn. of Mica Group

• Cathedral Quartz
  A trade name used to describe Quartz crystals exhibiting parallel and stepped growth said to resemble a cathedral. Such growths are quite common.

• Cathkinite
  syn. of Saponite

• Cathophorite
  syn. of Brabantite

• Catlinite
  mixture of Pyrophyllite, Sericite

• Catoforite
  syn. of Katophorite

• Catophorite
  syn. of Katophorite

• Catoptrite
  syn. of Katoptrite

• Cat's Eye
  Not a single mineral species, but rather an optical phenomenon ("chatoyancy") caused by parallel fibres included within another mineral species, most commonly quartz. Also sometimes seen in tourmaline, apatite, corundum, chrysoberyl, beryl ...

• Cat's Eye Chrysoberyl
  syn. of Cymophane

• Cat-silver
  syn. of Mica Group

• Cattierite
  Isometric
  CoS₂

• Cattierite-Pyrite Series
  a series between Cattierite and Pyrite
  Isometric
  CoS₂ - FeS₂

• Cattierite-Vaesite Series
  a series between Cattierite and Vaesite
  Isometric
  CoS₂ - NiS₂

• Cattiite
  Triclinic
  Mg₃(PO₄)₂·22H₂O

• Caucasite
  syn. of Kavkazite

• Cauk
  syn. of Baryte

• Ca-ursilite
  syn. of Calcioursilite

• Cavansiet
  syn. of Cavansite

• Cavansite
  Orthorhombic
  Ca(VO)Si₄O₁₀·4H₂O

• Cavansyt
  syn. of Cavansite

• Cave Pearls
  syn. of Aragonite, Calcite

• Cavoite
  Orthorhombic
  CaV₃O₇

• Cavolinite
  syn. of Nepheline

• Cawk
  syn. of Baryte

• Cayeuxite
  var. of Pyrite

• Cayeuxyt
  syn. of Cayeuxite

• Caysichite-(Y)
  Ca₂Y₂Si₄O₁₀(CO₃)₃·4H₂O

• Cebait-(Ce)
  syn. of Cebaite-(Ce)

• Cebaite-(Ce)
  Ba₃Ce₂[F₂|(CO₃)₅]

• Cebaite-(Nd)
  Originally reported from Bayan Obo (Bayun-Obo; Baiyunebo) deposit, Bayan Obo, Darhan Muminggan United Banner, Baotou League, Nei Mongol Autonomous Region (Inner Mongolia), China.
  Monoclinic
  Ba₃(Nd,Ce)₂[F₂|(CO₃)₅]

• Cebollite
  
  Orthorhombic
  Ca₅Al₂Si₃O₁₂(OH)₄ or near

• Ce-Britholite
  syn. of Britholite-(Ce)

• Cécérite
  syn. of Cerite-(Ce)

• Čechite
  Orthorhombic
  Pb(Fe²⁺,Mn²⁺)[OH|VO₄]

• Cedarite
  syn. of Chemawinite

• Cefluorosil
  syn. of Cefluosil

• Cefluosil
  var. of Britholite-(Ce)

• Cegamite
  syn. of Hydrozincite

• Ceilania
  syn. of Ceylonite

• Ceilanite
  syn. of Ceylonite

• Čejkaite
  Triclinic
  Na₄(UO₂)(CO₃)₃

• Celadoniet
  syn. of Celadonite

• Celadonite
  Monoclinic
  K(Mg,Fe²⁺)(Fe³⁺,Al)[(OH)₂|Si₄O₁₀]

• Celanite
  syn. of Ceraltite