The most abundant rock-forming minerals are the nonferromagnesian ...

[D2AR0N]

The most abundant rock-forming minerals are the nonferromagnesian silicates called the
  ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

The two basic types of luster are ___________________ _ and ___________________ _. Fill in the blank(s) with the appropriate word(s).

[tennis14576]

Answer to Question 1

feldspars

Answer to Question 2

metallic, nonmetallic
nonmetallic, metallic

[D2AR0N]

Thanks for the timely response, appreciate it

[Dnite]

Gracias!