Fossils are actually what gives Irish limestone its blue color. It is a very compact rock type. Many contain oyster fossils and other organic materials that compress to make the color.
The phrase 'sky blue' would be 'spéirghorm' in Irish.
In Irish it's "gorm"
No, limestone is a sedimentary rock that is the basis for marble if it is compressed by millions of years of pressure. Limestone consists of calcium carbonate, CaCO3. Limestone dissolved in slightly acidic water forms the basis of stalactites and stalagmites in limestone caves.
Tá súile gorma agat. (You have blue eyes.)
Blue Lias is a type of limestone that contains a mix of blue-grey limestone and shale layers. It is known for its durability and resistance to weathering, making it a popular choice for building materials. Blue Lias rock often contains fossils, particularly ammonites, adding to its aesthetic appeal.
spéartha ghorma
If you phrase it as 'a Russian blue cat' it would be 'Cat liathghorm Rúiseach'.
dark hair blue eyes is what an black Irish person looks like
Blue, made from woad
blue
Seo linn, a Ghoirm.
Tá súile gorma aige.