gold后面填什么?

1.She wore a heavy gold chain around her neck.她戴着一条粗实的金项链。

2.She wore a small gold cross on a chain around her neck.她脖子上戴了一条项链，上面挂着个金的小十字架。

3.Thousands moved to the area to prospect for gold.数以千计的人涌入那个地区淘金。

这是一个形容词，后面应该加名词。比如gold flower。