spathic's Usage Examples:

It also enters (as carbonates) into the composition of many minerals, such as chalk, dolomite, calcite, witherite, calamine and spathic iron ore.

It is a constituent of the minerals cerussite, malachite, azurite, spathic iron ore, calamine, strontianite, witherite, calcite aragonite, limestone, 'c.

"Siderite, or spathic iron ore, FeCO 3, crystallizes in the rhombohedral system and contains 48.

Siderite, or spathic iron ore, FeCO 3, crystallizes in the rhombohedral system and contains 48.

, in slaty shale containing Llandeilo fossils and contemporaneous felspathic ash and scoriae.

The basin in which these sandstones were laid down is limited on the east by ancient gneisses and schists overlain by the highly inclined red felspathic grits.

Ferrous carbonate, FeCO3, or spathic iron ore, may be obtained as microscopic rhombohedra by adding sodium bicarbonate to ferrous sulphate and heating to 150° for 36 hours.

Hornblende schists also occur and a compact felspathic rock in the Suris defile.

Many of them have been originally micaceous or felspathic sandstones.

Ferrous carbonate, FeCO3, or spathic iron ore, may be obtained as microscopic rhombohedra by adding sodium bicarbonate to ferrous sulphate and heating to 150° for 36 hours.

These are separable into a lower group (Kundelungu) of red felspathic grits and into an upper group (Lubilasch) of white friable sandstones.

The rocks of Tristan da Cunha are felspathic basalt, dolerite, augite-andesite, sideromelane and palagonite; some specimens of the basalt have porphyritic augite.