Discredited mineral, perraultite

Properties

Chemical formula

KBa₃Ca₂Na₂Mn₁₆Ti₈(Si₂O₇)₈O₈(OH)₄(F,O,OH)₈

Group

Oxides

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

C₂

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.BE.67

Dana classification

69.1.3.3

IMA status

Discredited mineral (D)

IMA symbol

—

Locality

🇹🇯 Darai-Pioz glacier

Type locality

—

Discovery year

—

Source: Wikidata