Alpersite

Facts

Chemical formula

Mg(SO₄)·7H₂O

Crystal system

Monoclinic

Mohs hardness

2.5

Elements in formula

Magnesium, Sulfur, Oxygen, Hydrogen

Number of elements

4

IMA status

Approved

Named after

Charles N. Alpers

Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19767703