hornblende造句

1、Hornblende is often diorite, syenite in minerals, often appear in granite.
普通角闪石是闪长岩、正长岩中常出现的矿物，也常出现在花岗岩中。

2、Hornblende bearing varieties bridge the gap over to amphibolites which are in bands and dikes.
含角闪石的变种填补了带状和脉状角闪岩的中间相。

3、Hornblende is black, dark green, sometimes brown.
普通角闪石多呈黑色、暗绿色，有时为褐色。