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Descloizite (Photo)

Year of discovery: 1854 (Sierra de Córdaba, Argentina), 1944 (Japan)

Locality list: 5 localities of descloizite

• PbZnVO₄(OH)
• Pb(Zn,Cu)VO₄(OH)
• [Pb²⁺][Zn²⁺][OH|VO₄]^4-

• Class: Descloizite group
• Class: Vanadate - Hydroxide
• Soluble in: HCl, HNO₃, H₂SO₄
• Formed by alteration of Wulfenite.

• Zn => Cu: Mottramite (Series)
• Zn => Mn: Pyrobelonite
• Zn => Fe: Cechite

• VO₄ => AsO₄: Arsendescloizite

• Color: Reddish brown
• Streak: Orange
• Luster: Resinous
• Diaphaneity: Transparent-Translucent

• Cleavage: No
• Hardness: 3-3.5
• Density: 6.2

• System: Otrhorhombic
• Group: mmm, Pnma
• Lattice: a=7.6, b=6.1, c=9.4