Quartz is a word with two closely related but distinctclearly different from something else; not the same meanings. It can refer to a form of colorlesshaving no visible hue or tint silica glass, or to a hard minerala natural solid substance found in the earth found in many rocks. The most common everyday sense is the mineral.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /kwɔrts/
Easy pronunciation: KWORTS (approximate spelling).
Stress: One syllable, with the vowel stressed.
Pronunciation for the mineral, not the glass sense.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.
Quartz Meaning
a hard mineral found in lots of rocks
Part of speech: noun
Definition: a hard, glossy mineral made of silicon dioxide that occurs in many rocks
Example: The countertop has tiny flecks of quartz in it.
Synonyms for this meaning:
- crystal — Can work in some contexts, but it is broader and less precise than quartz.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.
Other Meanings of Quartz
Meaning 2
a colorless silica glass
Part of speech: noun
Definition: colorless glass made of almost pure silica
Example: The lab used quartz glass for the high-temperature test.
Synonyms for this meaning:
- lechatelierite — A specific form of silica glass.
- quartz glass — A direct substitute in this sense.
- vitreous silica — Another term for this kind of silica glass.
- crystal — Used for some clear glass contexts, but it is not a precise synonym in all cases.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.
Quartz Synonyms
Similar Meaning
- crystal
colorless silica glass
- lechatelierite
- quartz glass
- vitreous silica
- crystal
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Using quartz to mean any crystal or shiny stone. Quartz is a specific mineral, not a general word for all crystals.
- Mixing up quartz mineral with quartz glass. They are related but not the same thing.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does quartz mean?
Quartz usually means a hard mineral made of silicon dioxide. It can also mean a colorless silica glass.
Is quartz a mineral or a type of glass?
It can be either, depending on context. The mineral sense is the common everyday meaning.
What are good synonyms for quartz?
For the mineral sense, crystal is the closest candidate but it is broader. For the glass sense, quartz glass, vitreous silica, and lechatelierite are better matches.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-12. AI assessment; not a guarantee of accuracy.