This next sample that I'll pass around is a microcline mineral --- also called amazonstone.
我要传递的下一个样品是微斜矿物——也称为亚马逊石。
英语百科
Amazonite
(重定向自Amazonstone)
Amazonite (sometimes called "Amazon stone") is a green variety of microcline feldspar.
The name is taken from that of the Amazon River, from which certain green stones were formerly obtained, but it is doubtful whether green feldspar occurs in the Amazon area.