Todorokite
id:
todorokite-323-15998619
title:
Todorokite
text:
Todorokite is a complex hydrous manganese oxide mineral with generic chemical formula (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O. It was named in 1934 for the type locality, the Todoroki mine, Hokkaido, Japan. It belongs to the prismatic class 2/m of the monoclinic crystal system, but the angle β between the a and c axes is close to 90°, making it seem orthorhombic. It is a brown to black mineral which occurs in massive or tuberose forms. It is quite soft with a Mohs hardness of 1.5, and a specific
brand slug:
wiki
category slug:
encyclopedia
description:
Hydrous manganese oxide mineral
original url:
https://en.wikipedia.org/wiki/Todorokite
date created:
date modified:
2024-01-10T17:19:31Z
main entity:
{"identifier":"Q1061608","url":"https://www.wikidata.org/entity/Q1061608"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/25/Manjiroite-Todorokite-Calcite-174093.jpg","width":600,"height":589}
fields total:
13
integrity:
15