tuff |
pentagonite |
As nouns the difference between tuff and pentagonite
is that
tuff is (rock) a light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel while
pentagonite is (mineralogy) a silicate of calcium and vanadium found in basalts and tuffs.
As an adjective tuff
is older and simplified spelling of tough.
basalt |
pentagonite |
As nouns the difference between basalt and pentagonite
is that
basalt is a hard mafic igneous rock of varied mineral content; volcanic in origin, it makes up much of the Earth's oceanic crust while
pentagonite is a silicate of calcium and vanadium found in basalts and tuffs.
vanadium |
pentagonite |
As nouns the difference between vanadium and pentagonite
is that
vanadium is vanadium (symbol: v) while
pentagonite is (mineralogy) a silicate of calcium and vanadium found in basalts and tuffs.
calcium |
pentagonite |
As nouns the difference between calcium and pentagonite
is that
calcium is a chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks while
pentagonite is a silicate of calcium and vanadium found in basalts and tuffs.
silicate |
pentagonite |
As nouns the difference between silicate and pentagonite
is that
silicate is while
pentagonite is (mineralogy) a silicate of calcium and vanadium found in basalts and tuffs.