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Mineral A

VS

Mineral B

M

Manganonaujakasite

Name

—

Na₆Mn²⁺Al₄Si₈O₂₆

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

3–4

Mohs hardness

—

2.67

Specific gravity

—

—

Streak

—

Vitreous to pearly

Luster

—

Perfect on {001}

Cleavage

—

C2/m

Space group

—

—

Structural group

—

Mnj · Approved

IMA

—

1999

Named in

—

Bright blue

Typical colors

—

Na · Mn · Al · Si · O

Elements

—