stibine
stibnite.
antimony hydride, SbH₃; a poisonous gas, sometimes used as a fumigant; any organic derivative of this compound.

stibines
plural of stibine

stibiobetafite
An isometric-hexoctahedral mineral containing antimony, calcium, hydrogen, niobium, oxygen, tantalum, tin, and titanium.

stibiocolumbite
An orthorhombic-pyramidal mineral containing antimony, niobium, and oxygen.

stibiocolusite
An isometric-hextetrahedral bronze mineral containing antimony, arsenic, copper, sulfur, tin, and vanadium.

stibioluzonite
Synonym of famatinite.

stibiomicrolite
An isometric-hexoctahedral mineral containing antimony, calcium, hydrogen, niobium, oxygen, sodium, and tantalum.

stibiotantalite
An orthorhombic-pyramidal mineral containing antimony, oxygen, and tantalum.

stibivanite
A monoclinic-prismatic mineral containing antimony, oxygen, and vanadium.

stibnite
A grey mineral, Sb₂S₃, that is the main ore of antimony; in powdered form, used as the cosmetic called kohl.

stibnites
plural of stibnite

stibotantalite
A form of tantalite in which tantalum is wholly or partially replaced by antimony

stichtite
A mineral with rhombohedral crystals, often pink or lilac, Mg₆Cr₂CO₃(OH)₁₆·4H₂O.

stichtites
plural of stichtite

stilleite
An isometric-hextetrahedral gray mineral containing selenium and zinc.

stillwaterite
A trigonal-rhombohedral gray mineral containing arsenic and palladium.

stilpnosiderite
A brownish-black mineral, a form of limonite.

stilpnosiderites
plural of stilpnosiderite

stishovite
A fine-grained mineral, of SiO₂, that is a polymorphic form of quartz formed under very high pressure.

stishovites
plural of stishovite

stistaite
A trigonal-hexagonal scalenohedral light gray mineral containing antimony and tin.

stoiberite
A monoclinic-prismatic mineral containing copper, oxygen, and vanadium.

stokesite
An orthorhombic-dipyramidal colorless mineral containing calcium, hydrogen, oxygen, silicon, and tin.

stolzite
A tetragonal-dipyramidal mineral containing lead, oxygen, and tungsten.

stonesetting
The art of securely setting or attaching gemstones into jewellery.
The ceremony of erecting or unveiling a person's tombstone.

stonesettings
plural of stonesetting

stoppaniite
A hexagonal-dihexagonal dipyramidal light blue mineral containing aluminum, beryllium, hydrogen, iron, magnesium, oxygen, silicon, and sodium.

stottite
A tetragonal-dipyramidal mineral containing germanium, hydrogen, iron, and oxygen.

straczekite
A monoclinic-prismatic greenish black mineral containing barium, calcium, hydrogen, oxygen, potassium, and vanadium.

strahlstein
actinolite

strahlsteins
plural of strahlstein

strakhovite
An orthorhombic-dipyramidal mineral containing barium, hydrogen, manganese, oxygen, silicon, and sodium.

stranskiite
A triclinic-pinacoidal cyanic blue mineral containing arsenic, copper, oxygen, and zinc.

strashimirite
A monoclinic mineral containing arsenic, copper, hydrogen, and oxygen.

stratography
A description of an army, or of what belongs to an army.
warfare

strelkinite
An orthorhombic mineral containing hydrogen, oxygen, sodium, uranium, and vanadium.

strengite
An orthorhombic-dipyramidal mineral containing hydrogen, iron, oxygen, and phosphorus.

strigovite
A certain leptochlorite mineral.

stringhamite
A monoclinic-prismatic mineral containing calcium, copper, hydrogen, oxygen, and silicon.

stromeyerite
An orthorhombic-dipyramidal mineral containing copper, silver, and sulfur.

stronalsite
An orthorhombic-pyramidal white mineral containing aluminum, oxygen, silicon, sodium, and strontium.

strontians
plural of strontian

strontioborite
A monoclinic-sphenoidal colorless mineral containing boron, hydrogen, oxygen, and strontium.

strontiochevkinite
A monoclinic-prismatic mineral containing iron, lanthanum, cerium, praseodymium, neodymium, samarium, oxygen, silicon, strontium, titanium, and zirconium.

strontiodresserite
An orthorhombic-dipyramidal white mineral containing aluminum, calcium, carbon, hydrogen, oxygen, and strontium.

strontioginorite
A monoclinic-prismatic colorless mineral containing boron, calcium, hydrogen, oxygen, and strontium.

strontiojoaquinite
A monoclinic-sphenoidal mineral containing barium, hydrogen, iron, oxygen, silicon, sodium, strontium, and titanium.

strontiomelane
A monoclinic-prismatic black mineral containing manganese, oxygen, and strontium.

strontiowhitlockite
A trigonal-ditrigonal pyramidal white mineral containing barium, calcium, hydrogen, magnesium, oxygen, phosphorus, and strontium.

strontite
Strontian.

strontites
plural of strontite

strunzite
A triclinic-pinacoidal mineral containing hydrogen, iron, manganese, oxygen, and phosphorus.

struvite
A hydrated magnesium-containing mineral Mg(NH₄)(PO₄)·6H₂O which is found in kidney stones associated with bacteria that cleave urea.

struvites
plural of struvite

studenitsite
A monoclinic-prismatic mineral containing boron, calcium, hydrogen, oxygen, and sodium.

studerite
A varietal form of tennantite containing, as partial replacement of normal copper content, silver, lead, zinc, and iron.

stuetzite
Alternative form of stützite.

stuetzites
plural of stuetzite

stumpflite
A hexagonal-dihexagonal dipyramidal silver white mineral containing antimony, bismuth, and platinum.

sturmanite
A trigonal-ditrigonal pyramidal mineral containing aluminum, boron, calcium, hydrogen, iron, manganese, oxygen, and sulfur.

sturtite
An amorphous black mineral containing calcium, hydrogen, iron, magnesium, manganese, oxygen, and silicon.

stylolite
An irregular surface between strata consisting of toothlike projections; most common in limestone and dolomite.

stylolites
plural of stylolite

stylotypite
Alternative name for tetrahedrite.

subarkose
An arenite that only contains between 5% and 25% feldspar grains.

sublattice
A nonempty subset of a lattice.
Any of several independent lattices present in a crystal.

sublattices
plural of sublattice

sublitharenite
An arenite that contains between 5% and 25% rock fragments.

subsidation
subsidence; sinking to a lower level as from geological activity

subsidations
plural of subsidation

subthrust
A geological thrust fault located beneath another thrust fault.

succinite
Baltic amber
A garnet of an amber colour.

succinites
plural of succinite

sudburyite
A hexagonal-dihexagonal dipyramidal silver gray mineral containing antimony, nickel, and palladium.

sudoite
A monoclinic-prismatic white mineral containing aluminum, hydrogen, iron, magnesium, oxygen, and silicon.

sudovikovite
A trigonal-hexagonal scalenohedral white mineral containing platinum and selenium.

suessite
An isometric-hexoctahedral gray white mineral containing iron, nickel, and silicon.

suevite
A yellow-grey rock found in impact craters caused by meteorites

suffosion
A geological process by which subsidence sinkholes or dolines are formed.

sugilite
A mineral with hexagonal crystals, often pink or purple but can have different colors, KNa₂(Fe²⁺,Mn²⁺,Al)₂Li₃Si₁₂O₃₀.

sulfohalite
Alternative form of sulphohalite.

sulfospinel
Any mineral having the form of a spinel in which some or all of the oxygen atoms have been replaced by sulfur.

sulfospinels
plural of sulfospinel

sulphohalite
An isometric-hexoctahedral mineral containing chlorine, fluorine, oxygen, sodium, and sulfur.

sulphospinel
Alternative form of sulfospinel.

sulphospinels
plural of sulphospinel

sulphotsumoite
A trigonal-hexagonal scalenohedral gray white mineral containing bismuth, sulfur, and tellurium.

suolunite
An orthorhombic-pyramidal mineral containing calcium, hydrogen, oxygen, and silicon.

supercell
A severe thunderstorm with updrafts and downdrafts that are in near balance, allowing the storm to maintain itself for several hours. Supercells often produce large hail, powerful downpours, very strong winds and sometimes tornadoes.
A repeating unit cell of a crystal that contains several primitive cells.

supercells
plural of supercell