# robertsite

> English word · Noun

## Definitions
1. A monoclinic-prismatic mineral containing calcium, hydrogen, manganese, oxygen, and phosphorus.

## Etymology
Named in 1974 by Paul Brian Moore and Jun Ito in honour of Willard "Bill" Lincoln Roberts (1923-1987), professor of mineralogy and curator of the South Dakota School of Mines mineral museum.
Roberts + -ite

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/robertsite