Chapter 1.3, Problem 4A

Summary Introduction

Whether the luster of the mineral should be described as metallic or non metallic on the basis of its streak.

Introduction:

The streak produced by the mineral can be used in distinguishing the metallic luster from the nonmetallic luster. The minerals having metallic luster produce a dark and dense streak whereas the minerals possessing nonmetallic luster produce a streak of light color.