Oolitic limestone
Rock
Also called Oolite and Roestone
About it
Limestone of tiny round grains (ooids) like fish roe, built up in layers in warm, shallow, agitated water. Bath stone and Portland stone in England are oolitic, and ooids still form on the Bahama Banks.
- Type
- Rock (sedimentary)
- Group
- Sedimentary (biochemical)
- Hardness (Mohs)
- 3–4
- Lustre
- dull
- Colours
- cream, white, buff, tan, grey
- Transparency
- opaque
Typical values: real specimens vary. For more, see mindat.org.