11th Grade Mineral and Rock Resources - Definitions and Distinctions

Which optical property describes minerals that allow some light to pass through and reflect some wavelengths to show color?

What is the optical property used to describe minerals that do not allow light to pass through, with wavelengths not reflected being absorbed instead?

How is a mineral's color in powdered form determined?

Which type of crystal shape in minerals is described as needle-like and ends in a blunt termination?

What is the term for a mineral's ability to allow light to pass through and sometimes refract light to reveal different wavelengths?

Which category would minerals fall into if they possess adamantine, resinous, or vitreous characteristics with impurities?

What type of crystal habit is characterized by elongated crystals whose length exceeds the width?

Which crystal habit consists of long prisms with widths that exceed the acicular type and may contain multiple parallel crystals in one column?

What type of crystal habit has a branching pattern resembling a tree or leaf vein?

Which crystal habit forms granular structures on the surface due to small crystals covering it?

What crystal habit is characterized by thin sheets that can be cut easily?

Which crystal habit has six square faces and four-fold rotational symmetry around three axes?

What is the distinction between minerals and rocks based on their formation?

Which characteristic distinguishes minerals from non-mineral substances?

What property of a mineral describes how brilliant or dull it is?

What category of minerals must have regular, repetitive geometric patterns or crystal structures?

Which type of rock is formed on Earth's surface from a conglomerate of various minerals?

What defines an ore as a naturally-occurring solid?