Module 2: Minerals - Properties, Classification, and Uses

Flashcards covering definitions, properties, classification, Philippine mineral locations, and uses from Module 2 notes.

Minerals are naturally occurring inorganic solids that possess an orderly internal structure and a definite __________ composition.

chemical

A __________ is defined as a consolidated mixture of minerals.

rock

The external expression of the orderly internal arrangement of atoms of a mineral is known as its __________ form.

crystal

__________ is defined as the appearance or quality of light reflected from the surface of a mineral.

Luster

The most obvious property of a mineral, which is often an unreliable diagnostic property, is __________.

color

The color of a mineral in its powdered form, obtained by rubbing it across a piece of unglazed porcelain, is called __________.

streak

Hardness is the measure of the resistance of a mineral to __________ or scratching.

abrasion

The tendency of a mineral to break along planes of weak bonding is known as __________.

cleavage

Minerals like quartz that do not exhibit cleavage when broken are said to __________.

fracture

Specific gravity is a ratio representing the weight of a mineral to the weight of an equal volume of __________.

water

Silicate minerals make up about __________ of the Earth's crust.

92%

The two most plentiful elements in the crust that combine easily to form silicates are silicon and __________.

oxygen

Minerals that do not contain silicon and oxygen are classified as __________ minerals.

nonsilicate

In the Philippines, iron is used in welding, purifying ores, and the production of __________.

steel

Nickel, found in Nonoc Island, Surigao del Norte, is used in the production of stainless steel, magnets, coins, rechargeable batteries, electric guitar strings, and __________ capsules.

microphone

Copper is used for electrical conductors, wires, and __________ in locations like Cebu, Negros, Benguet, Davao, and Zamboanga del Sur.

electronics

Silver is produced as a by-product of __________ mining.

gold

Chromium, found in Camarines Sur, Mindoro Occ., Zambales, and Bukidnon, is used in the production of stainless steel, metal coating, and __________ treatment.

wood

Mercury mined in Puerto Princessa, Palawan is used for dental restoration and __________.

lamps

Lead mined in Ayala, Zamboanga City is used for batteries, bullets, and __________ shield.

radiation

Platinum found in Sta. Cruz, Zambales is used as a catalyst, in laboratory equipment, and in __________.

jewelry

Dolomitic limestone found in Cebu, Eastern Negros, Angat, and Bulacan is used for making lime and __________.

cement

Feldspar found in Ilocos Norte and Pampanga is used for tile making, ceramics, and __________ wares.

toilet

White clay, also known as __________, is found in Iloilo and Camarines Sur and is used for pottery, ceramics, and china wares.

Kaolinite

Marble mined in Romblon is used for __________ construction.

building