Photo: Didier Descouens · CC BY-SA 4.0

Rare blue barium titanium cyclosilicate

Properties

Chemical formula

—

Group

Silicates

Crystal system

Hexagonal

Hardness (Mohs)

6

Color

Blue

Luster

—

Streak

White

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.CA.05

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Bni

Locality

🇺🇸 California State gem mine

Type locality

—

Discovery year

—

Source: Wikidata