Mineral thats often black
Crossword Clue

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AnswerCrossword Clue
ONYXMineral that's often black
staurolitemineral, basic iron aluminum silicate, Fe2Al2O7(SiO4)4(OH), occurring in brown to black prismatic crystals, which are often twinned in the form of a cross
TINSTONEBlack mineral
EUXENITEBrownish-black mineral.
TANTALITEHeavy iron-black mineral.
HORNBLENDEGreen to black mineral
coallessblack mineral burned as fuel
coalblack mineral burned as fuel
coalsblack mineral burned as fuel
samarskitea black mineral containing uranium
basaltinea black or brown-green mineral
samarskitesSAMARSKITE, a black mineral containing uranium
chalcocitea greyish-black mineral, native copper sulphide
chalcocitesCHALCOCITE, a greyish-black mineral, native copper sulphide
tantalitea black mineral, the main ore from which tantalum is derived
perovskitesA yellow, brown, or black mineral consisting largely of calcium titanate
perovskiteA yellow, brown, or black mineral consisting largely of calcium titanate
tantalitesTANTALITE, a black mineral, the main ore from which tantalum is derived
gahnitedark-green to black mineral of the spinel group, zinc aluminate, ZnAl2O4
gahnitesdark-green to black mineral of the spinel group, zinc aluminate, ZnAl2O4
ceylanitea mineral, pleonaste, a dark-green to black variety of spinel also CEYLONITE
tenoritesmineral, cupric oxide, CuO, occurring in veins of copper in black, minute scales
brookitebrown, red, or black mineral, titanium dioxide, TiO2, trimorphous with rutile and anatase
tenoritemineral, cupric oxide, CuO, occurring in veins of copper in black, minute scales
ceylonitea mineral, pleonaste, a dark-green to black variety of spinel also CEYLANITE
pitchblendeA form of the mineral uraninite occurring in brown or black pitchlike masses
pyrolusiteA black or dark gray mineral with a metallic luster, consisting of manganese dioxide
manganitesA mineral consisting of manganese oxyhydroxide, typically occurring as steel-gray or black prisms
thoriterare mineral, thorium silicate, ThSiO4, occurring in the form of yellow or black crystals
manganiteA mineral consisting of manganese oxyhydroxide, typically occurring as steel-gray or black prisms
pyrolusitenative manganese dioxide, a black or dark-grey tetragonal mineral with a metallic lustre
ceylonitesCEYLONITE, a mineral, pleonaste, a dark-green to black variety of spinel also CEYLANITE
ceylanitesCEYLANITE, a mineral, pleonaste, a dark-green to black variety of spinel also CEYLONITE
hematitesA reddish-black mineral consisting of ferric oxide. It is an important ore of iron
sphaleriteA shiny mineral, yellow to dark brown or black in color, consisting of zinc sulfide
haematitesA reddish-black mineral consisting of ferric oxide. It is an important ore of iron
ilmenitesA black mineral consisting of iron titanium oxide, of which it is the main ore
pyrolusitesPYROLUSITE, native manganese dioxide, a black or dark-grey tetragonal mineral with a metallic lustre
ilmeniteA black mineral consisting of iron titanium oxide, of which it is the main ore
hornblendedark-green to black mineral of the amphibole group, calcium magnesium iron and hydroxyl aluminosilicate