schlemaite
A monoclinic-prismatic mineral containing bismuth, copper, lead, selenium, and silver.

schlossmacherite
A trigonal-hexagonal scalenohedral mineral containing aluminum, arsenic, calcium, hydrogen, oxygen, and sulfur.

schmiederite
A monoclinic-prismatic blue mineral containing copper, hydrogen, lead, oxygen, and selenium.

schmitterite
An orthorhombic-dipyramidal mineral containing oxygen, tellurium, and uranium.

schneebergite
A monoclinic-prismatic mineral containing arsenic, bismuth, calcium, cobalt, hydrogen, iron, nickel, and oxygen.

schoderite
A monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, phosphorus, and vanadium.

schoenfliesite
An isometric-diploidal reddish brown mineral containing hydrogen, magnesium, oxygen, and tin.

schoepite
An orthorhombic-pyramidal mineral containing hydrogen, oxygen, and uranium.

scholzite
An orthorhombic-dipyramidal mineral containing calcium, hydrogen, oxygen, phosphorus, and zinc.

schoonerite
An orthorhombic-dipyramidal mineral containing hydrogen, iron, manganese, oxygen, phosphorus, and zinc.

schorlomite
An isometric garnet mineral.

schorlomites
plural of schorlomite

schreibersite
A tetragonal iron nickel phosphide mineral most commonly found in meteorites.

schreibersites
plural of schreibersite

schubnelite
A triclinic-pinacoidal mineral containing hydrogen, iron, oxygen, and vanadium.

schuetteite
A trigonal-trapezohedral mineral containing mercury, oxygen, and sulfur.

schulenbergite
A hexagonal mineral containing carbon, copper, hydrogen, oxygen, sulfur, and zinc.

schultenite
A monoclinic-prismatic mineral containing arsenic, hydrogen, lead, and oxygen.

schumacherite
A triclinic-pinacoidal mineral containing arsenic, bismuth, hydrogen, oxygen, phosphorus, and vanadium.

schungite
Alternative form of shungite.

schungites
plural of schungite

schwartzembergite
A tetragonal-ditetragonal dipyramidal mineral containing chlorine, iodine, lead, and oxygen.

scintillite
A glistening speleothem consisting of quartz crystals.

scintillites
plural of scintillite

sclarite
A monoclinic-prismatic colorless mineral containing carbon, hydrogen, magnesium, manganese, oxygen, and zinc.

scolecite
A monoclinic-domatic mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.

scolecites
plural of scolecite

scorodite
An orthorhombic-dipyramidal mineral containing arsenic, hydrogen, iron, and oxygen.

scorodites
plural of scorodite

scotlandite
A monoclinic-prismatic mineral containing lead, oxygen, and sulfur.

scrutinyite
An orthorhombic-dipyramidal dark reddish brown mineral containing lead and oxygen.

scyelite
Synonym of lizardite.

seamanite
An orthorhombic-dipyramidal mineral containing boron, hydrogen, manganese, oxygen, and phosphorus.

seamlet
A little seam, as of coal or quartz.

seamlets
plural of seamlet

seatearth
The layer of sedimentary rock underlying a coal seam.

seatearths
plural of seatearth

sederholmite
A hexagonal-dihexagonal dipyramidal mineral containing nickel and selenium.

sedovite
An orthorhombic mineral containing molybdenum, oxygen, and uranium.

seeligerite
An orthorhombic-disphenoidal light yellow mineral containing chlorine, iodine, lead, and oxygen.

seelite
A mineral containing magnesium, uranium, oxygen, arsenic and hydrogen, found in Germany, France and Iran.

segelerite
An orthorhombic-dipyramidal mineral containing calcium, hydrogen, iron, magnesium, oxygen, and phosphorus.

segnitite
A trigonal-hexagonal scalenohedral mineral containing arsenic, hydrogen, iron, lead, and oxygen.

seidozerite
A monoclinic-prismatic mineral containing aluminum, calcium, fluorine, iron, magnesium, manganese, oxygen, silicon, sodium, titanium, and zirconium.

seifertite
An orthorhombic mineral containing oxygen and silicon.

selenostephanite
An orthorhombic-disphenoidal lead gray mineral containing antimony, selenium, silver, and sulfur.

selensilver
A cubic ore containing silver and selenium with a little lead.

seligmannite
An orthorhombic-dipyramidal rose white mineral containing arsenic, copper, lead, and sulfur.

sellaite
A tetragonal-ditetragonal dipyramidal mineral containing fluorine and magnesium.

selwynite
A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.

semifusinite
A maceral having some properties similar to fusinite

semifusinites
plural of semifusinite

semiopal
A translucent variety of opal

semiopals
plural of semiopal

semseyite
A monoclinic-prismatic mineral containing antimony, lead, and sulfur.

semseyites
plural of semseyite

senaite
A trigonal-rhombohedral black mineral containing iron, lead, manganese, oxygen, and titanium.

senarmontite
An isometric-hexoctahedral mineral containing antimony and oxygen.

senegalite
An orthorhombic-pyramidal mineral containing aluminum, hydrogen, oxygen, and phosphorus.

sengierite
A monoclinic-prismatic mineral containing copper, hydrogen, oxygen, uranium, and vanadium.

serandite
An often reddish mineral of the wollastonite group. It is the manganese analogue of pectolite.

serandites
plural of serandite

serendibite
A triclinic-pinacoidal mineral containing aluminum, boron, calcium, magnesium, oxygen, and silicon.

sergeevite
A trigonal-trapezohedral white mineral containing calcium, carbon, hydrogen, magnesium, and oxygen.

serpierite
A monoclinic-prismatic sky blue mineral containing calcium, copper, hydrogen, oxygen, sulfur, and zinc.

serpulite
A fossilized serpula shell.

serrabrancaite
A monoclinic-prismatic mineral containing hydrogen, manganese, oxygen, and phosphorus.

sewardite
An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, iron, oxygen, and zinc.

shabynite
A monoclinic snow white mineral containing boron, chlorine, hydrogen, magnesium, and oxygen.

shadlunite
An isometric-hexoctahedral bronze mineral containing cadmium, copper, iron, lead, and sulfur.

shafranovskite
A trigonal-ditrigonal pyramidal mineral containing aluminum, calcium, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, and sodium.

shakhovite
A monoclinic-domatic mineral containing antimony, hydrogen, mercury, and oxygen.

shaler
A producer of shale oil.

shalers
plural of shaler

shandite
A trigonal-hexagonal scalenohedral brass yellow mineral containing lead, nickel, and sulfur.

shannonite
An orthorhombic-disphenoidal white mineral containing carbon, lead, and oxygen.

sharpite
An orthorhombic mineral containing calcium, carbon, hydrogen, oxygen, and uranium.

shcherbakovite
A particular batisite mineral.

shcherbinaite
An orthorhombic-dipyramidal yellow green mineral containing oxygen and vanadium.

sheldrickite
A trigonal-pyramidal mineral containing calcium, carbon, fluorine, hydrogen, oxygen, and sodium.

sheridanite
An aluminium-rich clinochlore mineral.

sheridanites
plural of sheridanite

sherwoodite
A tetragonal-ditetragonal dipyramidal mineral containing aluminum, calcium, hydrogen, oxygen, and vanadium.

shibkovite
A hexagonal-dihexagonal dipyramidal mineral containing calcium, manganese, oxygen, potassium, silicon, sodium, and zinc.

shigaite
A trigonal-rhombohedral mineral containing aluminum, hydrogen, manganese, oxygen, and sulfur.

shimazakiite
A mineral containing boron, calcium, hydrogen, and oxygen.

shirl
Archaic form of schorl.

shirls
plural of shirl

shirokshinite
A monoclinic-prismatic mineral containing fluorine, magnesium, oxygen, potassium, silicon, and sodium.

shirozulite
A monoclinic-prismatic dark reddish brown mineral containing aluminum, barium, fluorine, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, and titanium.

shkatulkalite
A monoclinic mineral containing calcium, fluorine, hydrogen, manganese, niobium, oxygen, silicon, and sodium.

shonkinite
A kind of mafic foidal syenite.

shonkinites
plural of shonkinite

showstone
A crystal ball

showstones
plural of showstone