Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

// request.cf · coarse context

A page that knows where it met you.

Only coarse request metadata is shown. This demo does not display or persist visitor IP addresses.

Country
US
Cloudflare location
CMH
Connection
HTTP/2
Language
Not provided

Ray ID: a29f6ba5eb85ae97

Jump to content

Hey's Mineral Index

From Wikipedia, the free encyclopedia
(Redirected from Hey classification)

Hey's Mineral Index is a standard reference work in mineralogy.

It is an alphabetical index of known mineral species and varieties, and includes synonyms. For species and major varieties more detail is provided. It includes a classification of minerals based on their chemistry into 32 top-level groups, and breaks these groups down further.[1]

Editions

[edit]
  • First edition, An Index of Mineral Species & Varieties Arranged Chemically, With An Alphabetical Index of Accepted Mineral Names and Synonyms by Max Hutchinson Hey, published by order of the British Library, was published in 1950.
  • Second edition by Max Hutchinson Hey was published in 1962.
  • Third edition by Andrew M. Clark was published in 1993.
  • Fourth edition by Andrew M. Clark due for publication in 2004 but was never released.

See also

[edit]

References

[edit]
  1. "Hey's Chemical Index of Minerals". mindat.org. Retrieved March 21, 2019.