As an adjective tabular

is having a flat, plane surface.

As a noun mackinawite is

(mineralogy) a tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.

As a proper noun crystal

is .

As a noun mackinawite is

(mineralogy) a tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.

In mineralogy|lang=en terms the difference between anhedral and mackinawite

is that anhedral is (mineralogy) lacking sharp, recognisable crystal faces while mackinawite is (mineralogy) a tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.

As nouns the difference between anhedral and mackinawite

is that anhedral is (aeronautics) the downward slope of an aircraft’s wing while mackinawite is (mineralogy) a tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.

As an adjective anhedral

is (mineralogy) lacking sharp, recognisable crystal faces.

As nouns the difference between mass and mackinawite

is that mass is matter, material while mackinawite is a tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.

As a verb mass

is to form or collect into a mass; to form into a collective body; to bring together into masses; to assemble.

As an adjective mass

is involving a mass of things; concerning a large quantity or number.

As nouns the difference between arsenic and pharmacosiderite

is that arsenic is arsenic while pharmacosiderite is (mineralogy) a hydrated basic ferric arsenate, consisting of the elements arsenic, iron, hydrogen, potassium, sodium and oxygen.

As nouns the difference between iron and pharmacosiderite

is that iron is pencil while pharmacosiderite is (mineralogy) a hydrated basic ferric arsenate, consisting of the elements arsenic, iron, hydrogen, potassium, sodium and oxygen.

As nouns the difference between hydrogen and pharmacosiderite

is that hydrogen is the lightest chemical element (symbol h) with an atomic number of 1 and atomic weight of 100794 while pharmacosiderite is (mineralogy) a hydrated basic ferric arsenate, consisting of the elements arsenic, iron, hydrogen, potassium, sodium and oxygen.

As nouns the difference between potassium and pharmacosiderite

is that potassium is a soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol'' k) with an atomic number of 19 and atomic weight of 390983 the symbol is derived from the latin ''kalium while pharmacosiderite is (mineralogy) a hydrated basic ferric arsenate, consisting of the elements arsenic, iron, hydrogen, potassium, sodium and oxygen.

As nouns the difference between sodium and pharmacosiderite

is that sodium is a soft, waxy, silvery reactive metal that is never found unbound in nature, and a chemical element (symbol Na) with an atomic number of 11 and atomic weight of 22.98977 while pharmacosiderite is a hydrated basic ferric arsenate, consisting of the elements arsenic, iron, hydrogen, potassium, sodium and oxygen.

As nouns the difference between oxygen and pharmacosiderite

is that oxygen is a chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994 while pharmacosiderite is a hydrated basic ferric arsenate, consisting of the elements arsenic, iron, hydrogen, potassium, sodium and oxygen.