View example sentences and word forms for Ironstone.
Ironstone meaning
Any ore of iron which is impure through the admixture of silica or clay. | A type of vitreous pottery similar to stoneware
Example sentences (6)
The theatre makes the most of its intimate space and mixes old elements like its ironstone walls with a new rectangular roof and balcony.
An opal doublet consists of a relatively thin layer of precious opal, backed by a layer of dark-colored material, most commonly ironstone, dark or black common opal (potch), onyx, or obsidian.
It is unclear whether these banded ironstone formations were seasonal, followed some feedback oscillation in the ocean's complex system or followed some other cycle.
Origins An ashtray carved out of a soft form of banded ironstone from the 3.5 billion year old Barbeton Supergroup in South Africa.
The first two are blue fibrous minerals, with glaucophane occurring in blueschists and crocidolite (blue asbestos) in ironstone formations, both resulting from dynamo-metamorphic processes.
The land rising to the south and west of the southern clay plain is referred to as the Ironstone Plateau (Jabal Hadid), a name derived from its laterite soils and increasing elevation.