Crystallography Concepts

noun a realm or domain consisting of minerals

• The mineral kingdom consists of inorganic substances like rocks, minerals, and crystals.
• Have you ever studied the mineral kingdom in geology class?
• I heard the mineral kingdom is full of cool shiny rocks and stuff.
• In the vast mineral kingdom of the Earth, each mineral plays a unique role like pieces of a puzzle.

noun a mineral form of calcium carbonate, often used in the production of cement and as a building stone

• Calcite is a mineral made up of calcium carbonate and is commonly found in sedimentary rocks.
• Did you know that calcite is often used in the production of lime and cement?
• I heard that calcite is like nature's own glitter because of its sparkly appearance.
• The way calcite reflects light is like a mirror, showing us the beauty of nature.

noun a mineral of the pyroxene group, consisting of a silicate of calcium and iron

• The geologist identified the mineral as acmite, a type of pyroxene mineral.
• I found a cool looking rock with acmite in it while hiking.
• Check out this sick acmite I found on my rock hunting trip!
• Her determination was as hard as acmite, unyielding to any obstacles in her path.