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Adamite

Material ID: 351

Description

This pale green mineral is called adamite and this particular sample comes from Mexico. Pure adamite is colourless, but it usually contains impurities that bestow it with colour. Adamite is commonly yellow due to iron compounds, but this green specimen is given its colour by the presence of copper in the mineral. Adamite is a zinc arsenate hydroxide mineral, and is commonly found in weathered zones above natural zinc deposits. Trace amounts of uranium make this particular sample shine fluorescent green under UV light.

Particularities

State

Categories

Chemical Symbol

Zn2AsO4OH

Library Details

Site

Bloomsbury

Status

In Storage

Location

Flammables Cabinet

Form

Lump

Handling guidance

Wash hands after handling.

Date entered collection

Sunday 16th November, 2008