- spatial frequency
Origin of spathic
Examples from the Web for spathic
It was early known as spathose iron, spathic iron or steel ore.
Siderite, or spathic iron ore, FeCO3, crystallizes in the rhombohedral system and contains 48.28% of iron.
It is obtained from hmatite and spathic ore, coke being used for the smelting.Cooley's Practical Receipts, Volume II|Arnold Cooley
Spathic Iron Ore.—Carbonate of iron, when found in a comparatively pure and crystallized state, is known as spathic or sparry.