Karlditmarite

karlditmarite

antipovite

itelmenite

milkovoite

Images

Formula: Cu₉O₄(PO₄)₂(SO₄)₂
Valence: Cu²⁺₉O₄(PO₄)₂(S⁶⁺O₄)₂
Phosphate
Crystal system: Triclinic
Specific gravity: 4.606 calculated
Streak: Light green
Colour: Olive-green
Solubility: Insoluble in water
Environments

Fumeroles

Karlditmarite is a new mineral, approved in 2021 and to date (June 2026) reported only from the type locality.

Localities

At the type locality, the Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia, karlditmarite occurs as green prismatic crystals that reach up 50 μm but usually measure from 1 to 10 μm in size. The fumerole temperature was about 350°C. Associated minerals include anhydrite, antipovite, euchlorine, itelmenite, langbeinite, milkovoite, paulgrothite and tenorite (Mindat)
Karlditmarite from the Tolbachik Volcanic Field - Image

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