File:Crystallography Haüy integrant molecules form pentagonal dodecahedron of pyrite 1801.jpg

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Summary

Figure from Traité de minéralogie (1801) (

)

Author

Haüy, René Just, 1743-1822.

Title

Figure from Traité de minéralogie (1801)

Description

English: The piling of the cubic `integrant molecules' which forms the pentagonal dodecahedron of pyrite. Notice the decrescence of the molecular lamellae in the proportion of 2:1, which leads to an interfacial angle at pq of 126° 52′ 12″, closely corresponding to that of the empirical crystal, viz 127° 56′ 08″ (Haüy, R.-J. Traité de Minéralogie. Paris: Louis, 1801.]

Date

1801

Collection

Science History Institute

	Location	315 Chestnut Street, Philadelphia, Pennsylvania, 19106
	Coordinates	39° 56′ 56.04″ N, 75° 08′ 47.4″ W
	Established	1982
	Website	http://www.sciencehistory.org/
	Authority file	: Q5090408 VIAF: 4412163159960301640007 ISNI: 0000000121917991 LCCN: no2021104345 BNF: 16931028s NKC: ko2010557072 WorldCat

Accession number

QE363 .H389 1801, Library collections, Science History Institute.

Notes

Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative.

Source/Photographer

Science History Institute

Permission
(Reusing this file)

This file was provided to Wikimedia Commons by the Science History Institute as part of a cooperation project.

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:41, 16 May 2018		1,800 × 1,709 (304 KB)	Mary Mark Ockerbloom	== {{int:filedesc}} == {{Artwork \|artist = \|author = Haüy, René Just, 1743-1822. \|title = Figure from ''Traité de minéralogie'' (1801) \|Description ={{en\|1= The piling of the cubic `integrant molecules' which forms the pentagonal dodecahedron of pyrite. Notice the decrescence of the molecular lamellae in the proportion of 2:1, which leads to an interfacial angle at pq of 126° 52′ 12″, closely corresponding to that of the empirical crystal, viz 127° 56′ 08″ (Haüy, R.-J. ''Traité de...

File usage

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René Just Haüy