Image: <bdi><a href="https://www.wikidata.org/wiki/Q126871368" class="extiw" title="d:Q126871368"><span title="photographer from the United States">Darla Sondrol</span></a></bdi> (CC0)
monoclinicuncommoncarbonates
Hydrozincite
Zn5(CO3)2(OH)6
A white to off-white mineral typically forming massive, earthy, or crusty aggregates, often botryoidal or stalactitic in habit. Crystals are rare but can occur.
Hydrozincite Physical Properties
Mohs Hardness
2.25Crystal System
monoclinicLuster
dullStreak Color
whiteCleavage
perfect on {010}Fracture
unevenSpecific Gravity
3.65Colors
white, gray, yellowish, brownish, pinkishTransparency
translucentType Locality
Arizona, USAMineral Group
carbonatesUses
collectorAssociated Minerals
calcite, aragonite, smithsonite, hemimorphite, cerussiteRarity
uncommonGeological Context
Hydrozincite is a secondary mineral that forms in the oxidation zones of zinc ore deposits, often as an alteration product of primary zinc sulfides like sphalerite.
