There are exactly five types of two-dimensional crystal lattices

the verdict

SUPPORTED

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3 sources for · 0 against

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AS REPORTEDno primary record reached; this is what the reporting says

Is it true that there are exactly five types of two-dimensional crystal lattices?

Yes. Multiple physics and crystallography references confirm that there are exactly five types of Bravais lattices in two dimensions.

Verdict: SUPPORTED · 3 sources for, 0 against · Last checked 6 Aug 2026

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Evidence for · 3

Wikipedia: Brillouin zone

Reference article covering this claim directly

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Wikipedia: Brillouin zone. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Brillouin_zone

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More for · 2

Book: X-Ray Crystallography

2015

States that there are five types of lattices in two dimensions.

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Girolami, G. S. (2015). Book: X-Ray Crystallography. MIT Press. http://books.google.com/books?id=Q4ppEQAAQBAJ&dq=There+are+exactly+five+types+of+two-dimensional+crystal+lattices&hl=&as_pt=BOOKS&source=gbs_api

Book: Physics of Matter

2023

Lists the five distinct types of two-dimensional lattices.

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King, G. C. (2023). Book: Physics of Matter. John Wiley & Sons. http://books.google.com/books?id=awLOEAAAQBAJ&dq=There+are+exactly+five+types+of+two-dimensional+crystal+lattices&hl=&as_pt=BOOKS&source=gbs_api

Related receipts

Is it true that there are exactly 14 Bravais lattices in three dimensions? SUPPORTED related question, same topic
Is it true that different phases of ice exhibit distinct crystal lattice structures? SUPPORTED related question, same topic

Receipt History

first checked06 Aug 2026

judged → SUPPORTED · 7506 Aug 2026

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