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Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
Asphaltum
noun · 78% connection
Mineral pitch, Jews' pitch, or compact native bitumen. It is brittle, of a black or brown color and high luster on a surface of fractu…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Blende
noun · 78% connection
A mineral, called also sphalerite, and by miners mock lead, false galena, and black-jack. It is a zinc sulphide, but often contains so…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Bournonite
noun · 78% connection
A mineral of a steel-gray to black color and metallic luster, occurring crystallized, often in twin crystals shaped like cogwheels (wh…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Calaverite
noun · 78% connection
A bronze-yellow massive mineral with metallic luster; a telluride of gold; -- first found in Calaveras County California.
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Cassiterite
noun · 78% connection
Native tin dioxide; tin stone; a mineral occurring in tetragonal crystals of reddish brown color, and brilliant adamantine luster; als…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Chalcocite
noun · 78% connection
Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster.
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Columbite
noun · 78% connection
a black mineral that is an ore of niobium and tantalum
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Columbium
noun · 78% connection
A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam.…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Enargite
noun · 78% connection
An iron-black mineral of metallic luster, occurring in small orthorhombic crystals, also massive. It contains sulphur, arsenic, copper…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Eschynite
noun · 78% connection
A rare mineral, containing chiefly niobium, titanium, thorium, and cerium. It was so called by Berzelius on account of the inability o…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Eudialyte
noun · 78% connection
A mineral of a brownish red color and vitreous luster, consisting chiefly of the silicates of iron, zirconia, and lime.
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Fergusonite
noun · 78% connection
A mineral of a brownish black color, essentially a tantalo-niobate of yttrium, erbium, and cerium; -- so called after Robert Ferguson.
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Gadolinite
noun · 78% connection
A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Gadolinium
noun · 78% connection
A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuali…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Graphite
noun · 78% connection
Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Ilmenite
noun · 78% connection
a weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titan…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Keilhau-ite
noun · 78% connection
A mineral of a brownish black color, related to titanite in form. It consists chiefly of silica, titanium dioxide, lime, and yttria.
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.
Menaccanite
noun · 78% connection
An iron-black or steel-gray mineral, consisting chiefly of the oxides of iron and titanium. It is commonly massive, but occurs also in…
Its definition shares important concepts with this word: brownish, black, mineral, metallic, luster.