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quartz

B2
UK/kwɔːts/US/kwɔːrts/

Neutral to technical; common in scientific, geological, and jewellery contexts.

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Definition

Meaning

A hard mineral consisting of silica, found widely in igneous and metamorphic rocks and often in the form of colourless or brightly coloured crystals.

The mineral is used in making electronic components and watches due to its piezoelectric properties, and is also a popular gemstone and decorative material.

Linguistics

Semantic Notes

Primarily refers to the mineral itself; can be used attributively (e.g., quartz crystal). Not typically used metaphorically.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage.

Connotations

Associated with durability, precision (in watches), and natural beauty.

Frequency

Equally common in both varieties.

Vocabulary

Collocations

strong
quartz crystalquartz watchrose quartzquartz countertopquartz sandstone
medium
vein of quartzpiece of quartzquartz grainsquartz lampquartz movement
weak
clear quartznatural quartzquartz rockquartz sandquartz mining

Grammar

Valency Patterns

[made] of quartz[vein] of quartz[countertop] in quartz

Vocabulary

Synonyms

Strong

rock crystal (for clear variety)

Neutral

silicamineralrock crystal

Weak

crystalstone

Vocabulary

Antonyms

organic materialclaysoft mineral

Phrases

Idioms & Phrases

  • “Heart of quartz (rare, literary: implying coldness or lack of emotion)”

Usage

Context Usage

Business

Referring to materials for countertops or engineered stone.

Academic

Geology, materials science, crystallography.

Everyday

Discussing watches, jewellery, or kitchen surfaces.

Technical

Describing oscillator components in electronics or geological formations.

Examples

By Part of Speech

adjective

British English

  • The quartz movement in the watch is very accurate.
  • They installed a lovely quartz worktop in the kitchen.

American English

  • The quartz movement in the watch is very accurate.
  • They installed a beautiful quartz countertop in the kitchen.

Examples

By CEFR Level

A2
  • My watch has a quartz battery.
  • This stone is quartz.
B1
  • The kitchen worktop is made of engineered quartz.
  • Quartz is a very common mineral.
B2
  • The geologist identified a vein of milky quartz running through the granite.
  • Quartz oscillators are crucial for the accuracy of modern electronics.
C1
  • The piezoelectric properties of quartz are harnessed in frequency control applications.
  • The specimen exhibited conchoidal fracture, characteristic of pure quartz.

Learning

Memory Aids

Mnemonic

Think of a QUARTZ watch keeping time for a QUART of an hour (though etymologically unrelated).

Conceptual Metaphor

Quartz as a symbol of precision (in timekeeping) and durability (in construction).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Not to be confused with 'кварц' as a slang term for a tuberculosis sanitarium (historical).

Common Mistakes

  • Misspelling as 'quarts' (a unit of volume).
  • Using 'quartz' as a countable noun for a single piece (*a quartz) instead of 'a piece of quartz' or 'a quartz crystal'.

Practice

Quiz

Fill in the gap
Many modern timepieces rely on a movement for their accuracy.
Multiple Choice

Which of the following is a primary use of quartz?

FAQ

Frequently Asked Questions

No, quartz is a mineral composed of silicon and oxygen (silicon dioxide).

Quartz is a mineral. Quartzite is a metamorphic rock formed when sandstone rich in quartz is subjected to heat and pressure.

Quartz crystals vibrate at a very precise frequency when an electric current is applied, making them excellent for timekeeping.

Yes, many coloured varieties like amethyst, citrine, and rose quartz are popular gemstones.