jasper
/ˈdʒæspə(r)/noun
mass noun
1
- an opaque reddish-brown variety of chalcedony水苍玉。
2
- （亦作jasperware）a kind of fine hard porcelain developed by Josiah Wedgwood and used for Wedgwood cameos and other delicate work碧玉细石器（由韦奇伍德研制并用于制作韦氏浮雕饰及其他精细工艺品）。
词源
Middle English （originally denoting any bright-coloured chalcedony other than carnelian）： from Old French jasp（r）e, from Latin iaspis, from Greek, of oriental origin.