steatite
noun
ste·a·tite ˈstē-ə-ˌtīt 
1
: a massive talc having a grayish-green or brown color : soapstone
2
: an electrically insulating porcelain composed largely of steatite
steatitic
ˌstē-ə-ˈti-tik
adjective 
Word History
Etymology
Latin steatitis, a precious stone, from Greek, from steat-, stear
First Known Use
1794, in the meaning defined at sense 1
- bonnet limpet
- bonnet macaque
- bonnet monkey
- bonnet pepper
- bonnet piece
- bonnet rouge
- bonnet rouges
- bonnet shark
- bonnet shell
- bonnet skate
- bonnet top
- bonneted
- bonnethead
- bonnethead shark
- bonnetheades
- bonnetheads
- bonneting
- bonnetless
- bonnets
- bonnets rouges
- Bonneville Dam
- Bonneville Salt Flats
- Bonneville, Lake
- Bonney
- bonnibells