volynskite
A trigonal-hexagonal scalenohedral lead gray mineral containing bismuth, silver, and tellurium.

vonbezingite
A monoclinic-prismatic azure mineral containing calcium, copper, hydrogen, oxygen, and sulfur.

vonsenite
An orthorhombic-dipyramidal mineral containing boron, iron, and oxygen.

voraulite
lazulite

vozhminite
A hexagonal rose-orange mineral containing antimony, arsenic, cobalt, nickel, and sulfur.

vuagnatite
An orthorhombic-disphenoidal mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.

vulcanite
A hard rubber made by vulcanization with sulfur; ebonite.
A rare mineral, copper telluride.

vulcanites
plural of vulcanite

vulpinite
A scaly granular variety of anhydrite of a grayish-white colour, used for ornamental purposes.

vuonnemite
A triclinic-pinacoidal mineral containing fluorine, niobium, oxygen, phosphorus, silicon, sodium, and titanium.

vuorelainenite
An isometric-hexoctahedral brownish gray mineral containing chromium, iron, manganese, oxygen, and vanadium.

vyacheslavite
An orthorhombic mineral containing hydrogen, oxygen, phosphorus, and uranium.

vyalsovite
An orthorhombic-dipyramidal red mineral containing aluminum, calcium, hydrogen, iron, oxygen, and sulfur.

vysotskite
A tetragonal-dipyramidal silver gray mineral containing nickel, palladium, and sulfur.

wacke
A soft, earthy, dark-coloured rock or clay derived from the alteration of basalt.

wackes
plural of wacke

wadds
plural of wadd

wadeite
A hexagonal-dipyramidal mineral containing oxygen, potassium, silicon, and zirconium.

wairakite
A monoclinic-prismatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.

wairauite
An isometric-hexoctahedral steel gray mineral containing cobalt and iron.

wakabayashilite
An orthorhombic-pyramidal mineral containing antimony, arsenic, and sulfur.

walentaite
An orthorhombic mineral containing arsenic, calcium, hydrogen, iron, manganese, oxygen, and phosphorus.

walfordite
An isometric orange mineral containing iron, oxygen, and tellurium.

wallisite
A triclinic-pinacoidal mineral containing arsenic, copper, lead, silver, sulfur, and thallium.

wallkilldellite
A hexagonal-dihexagonal dipyramidal dark red mineral containing arsenic, calcium, hydrogen, manganese, and oxygen.

walouewite
Alternative form of valuevite.

walstromite
A triclinic-pinacoidal mineral containing barium, calcium, oxygen, and silicon.

walthierite
A trigonal-hexagonal scalenohedral mineral containing aluminum, barium, hydrogen, oxygen, and sulfur.

waluewite
Alternative form of valuevite.

wardsmithite
A hexagonal mineral containing boron, calcium, hydrogen, magnesium, and oxygen.

warikahnite
A triclinic-pinacoidal mineral containing arsenic, hydrogen, oxygen, and zinc.

warwickite
An iron magnesium titanium borate mineral occurring as brown to black prismatic orthorhombic crystals.

warwickites
plural of warwickite

wasite
A variety of allanite from Sweden supposed to contain wasium.

wassonite
A meteoric crystalline mineral containing titanium and sulphur.

watanabeite
An orthorhombic mineral containing antimony, arsenic, copper, and sulfur.

watatsumiite
A monoclinic-domatic yellow green mineral containing barium, iron, lithium, magnesium, manganese, oxygen, potassium, silicon, sodium, titanium, and vanadium.

watkinsonite
A monoclinic-domatic black mineral containing bismuth, copper, lead, selenium, and sulfur.

wattersite
A monoclinic-prismatic mineral containing chromium, mercury, and oxygen.

wattevillite
An orthorhombic white mineral containing calcium, hydrogen, oxygen, sodium, and sulfur.

wawayandaite
A monoclinic mineral containing beryllium, boron, calcium, chlorine, hydrogen, manganese, oxygen, and silicon.

waylandite
A trigonal-hexagonal scalenohedral mineral containing aluminum, bismuth, hydrogen, oxygen, and phosphorus.

weberite
An orthorhombic-dipyramidal mineral containing aluminum, fluorine, magnesium, and sodium.

weddellite
A tetragonal mineral form of calcium oxalate.

weeksite
An orthorhombic-dipyramidal yellow mineral containing barium, calcium, hydrogen, oxygen, potassium, silicon, and uranium.

wegscheiderite
A triclinic-pinacoidal colorless mineral containing carbon, hydrogen, oxygen, and sodium.

weibullite
An orthorhombic-dipyramidal steel gray mineral containing bismuth, lead, selenium, and sulfur.

weibyeite
A supposed mineral from Norway, later identified as bastnaesite or ancylite.

weigelite
A kind of hornblende-peridotite mineral.

weinebeneite
A monoclinic-domatic colorless mineral containing beryllium, calcium, hydrogen, oxygen, and phosphorus.

weinschenkite
The mineral churchite-(Y).

weishanite
A hexagonal-dihexagonal dipyramidal light yellow mineral containing gold, mercury, and silver.

weissbergite
A triclinic-pedial steel gray mineral containing antimony, sulfur, and thallium.

weissite
A hexagonal copper telluride mineral.

wellsite
The site where a well is located.

welshite
A complex mineral containing magnesium and antimony.

wendwilsonite
A monoclinic-prismatic mineral containing arsenic, calcium, cobalt, hydrogen, magnesium, and oxygen.

wenkite
A hexagonal-ditrigonal dipyramidal light gray mineral containing aluminum, barium, calcium, chlorine, fluorine, hydrogen, oxygen, silicon, sodium, and sulfur.

werdingite
A triclinic-pinacoidal brownish yellow mineral containing aluminum, boron, iron, magnesium, oxygen, and silicon.

wermlandite
A trigonal-hexagonal scalenohedral mineral containing aluminum, calcium, hydrogen, iron, magnesium, oxygen, and sulfur.

wernerite
The common greyish or white variety of scapolite.

wernerites
plural of wernerite

wesselsite
A tetragonal-ditetragonal dipyramidal blue mineral containing copper, oxygen, silicon, and strontium.

westerveldite
An orthorhombic-dipyramidal mineral containing arsenic, cobalt, iron, and nickel.

wheatleyite
A triclinic-pinacoidal blue mineral containing carbon, copper, hydrogen, oxygen, and sodium.

wherryite
A monoclinic-prismatic mineral containing copper, hydrogen, lead, oxygen, silicon, and sulfur.

whewellite
A mineral, hydrated calcium oxalate.

whewellites
plural of whewellite

whiteschist
A metamorphic rock formed in high-pressure environments, composed principally of talc and kyanite.

whiteschists
plural of whiteschist

whitmoreite
A monoclinic-prismatic mineral containing hydrogen, iron, oxygen, and phosphorus.

whitneyite
The mineral algodonite.

wichtine
Synonym of tachylyte.

wichtisite
tachylyte

wichtyne
Synonym of tachylyte.

wickenburgite
A trigonal-ditrigonal pyramidal mineral containing aluminum, calcium, hydrogen, lead, oxygen, and silicon.

wickmanite
An isometric-hexoctahedral mineral containing hydrogen, manganese, oxygen, and tin.

wicksite
An orthorhombic-dipyramidal mineral containing calcium, hydrogen, iron, magnesium, manganese, oxygen, phosphorus, and sodium.

widenmannite
An orthorhombic light yellow mineral containing carbon, lead, oxygen, and uranium.

widgiemoolthalite
A nickel analogue of hydromagnesite discovered in Western Australia.

wightmanite
A monoclinic-prismatic mineral containing boron, hydrogen, magnesium, and oxygen.

wiikite
A mineral, likely consisting of samarskite, betafite, and allanite.

wiikites
plural of wiikite

wilcoxite
A triclinic mineral containing aluminum, fluorine, hydrogen, magnesium, oxygen, and sulfur.

wilhelmkleinite
A monoclinic-prismatic blackish green mineral containing arsenic, hydrogen, iron, oxygen, and zinc.

wilhelmramsayite
An orthorhombic-dipyramidal bluish gray mineral containing copper, hydrogen, iron, oxygen, potassium, sodium, sulfur, and thallium.

wilhelmvierlingite
An orthorhombic-dipyramidal mineral containing calcium, hydrogen, iron, manganese, oxygen, and phosphorus.

wilkeite
fluorellestadite

wilkinsonite
A triclinic-pinacoidal black mineral containing iron, oxygen, silicon, and sodium.

wilkmanite
A monoclinic-prismatic grayish yellow mineral containing nickel and selenium.