As nouns the difference between iron and niningerite

is that iron is pencil while niningerite is (mineralogy) a magnesium-iron-manganese sulfide mineral.

As nouns the difference between manganese and niningerite

is that manganese is manganese while niningerite is (mineralogy) a magnesium-iron-manganese sulfide mineral.

As nouns the difference between sulfide and niningerite

is that sulfide is while niningerite is (mineralogy) a magnesium-iron-manganese sulfide mineral.

As nouns the difference between mineral and niningerite

is that mineral is mineral while niningerite is (mineralogy) a magnesium-iron-manganese sulfide mineral.

In geometry|lang=en terms the difference between wedge and disphenoid

is that wedge is (geometry) a five-sided polyhedron with a rectangular base, two rectangular or trapezoidal sides meeting in an edge, and two triangular ends while disphenoid is (geometry) a polyhedron whose four faces are identical isosceles or scalene triangles.

As nouns the difference between wedge and disphenoid

is that wedge is one of the simple machines; a piece of material, such as metal or wood, thick at one edge and tapered to a thin edge at the other for insertion in a narrow crevice, used for splitting, tightening, securing, or levering () or wedge can be (uk|cambridge university|slang) the person whose name stands lowest on the list of the classical tripos while disphenoid is (geometry) a polyhedron whose four faces are identical isosceles or scalene triangles.

As a verb wedge

is to support or secure using a wedge.

As an adjective disphenoid is

(mineralogy) describing a wedge-shaped crystal form of the tetragonal or orthorhombic system.

As nouns the difference between manganese and kutnohorite

is that manganese is manganese while kutnohorite is (mineralogy) a rare calcium manganese magnesium iron carbonate mineral with trigonal crystals, having a white, pink or brown colour.

As nouns the difference between magnesium and kutnohorite

is that magnesium is a light, flammable, silvery metal, and a chemical element (symbol Mg) with an atomic number of 12 while kutnohorite is a rare calcium manganese magnesium iron carbonate mineral with trigonal crystals, having a white, pink or brown colour.

As nouns the difference between iron and kutnohorite

is that iron is pencil while kutnohorite is (mineralogy) a rare calcium manganese magnesium iron carbonate mineral with trigonal crystals, having a white, pink or brown colour.

As nouns the difference between carbonate and kutnohorite

is that carbonate is any salt or ester of carbonic acid while kutnohorite is a rare calcium manganese magnesium iron carbonate mineral with trigonal crystals, having a white, pink or brown colour.

As a verb carbonate

is to charge (often a beverage) with carbon dioxide.

As nouns the difference between mineral and kutnohorite

is that mineral is mineral while kutnohorite is (mineralogy) a rare calcium manganese magnesium iron carbonate mineral with trigonal crystals, having a white, pink or brown colour.