Sorosilicate mineral

Properties

Chemical formula

(Ca,Na)₂(Be,Al)(Si₂O₇,HSi₂O₇)

Group

Silicates

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.BB.10

Dana classification

55.4.2.3

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Jfy

Locality

🇨🇦 Jeffrey mine

Type locality

—

Discovery year

—

Source: Wikidata