Natural Blue Kyanite Crystal from Brazil – 55g Mineral Specimen

This natural blue kyanite crystal from Brazil features the mineral’s characteristic elongated blade-like formation and blue coloration. Weighing 55 grams and measuring 93 × 34 × 19 mm, it is a strong display specimen for mineral collectors, crystal enthusiasts, and curated specimen collections.

Blue kyanite is an aluminum silicate mineral known for its distinctive bladed crystal habit, directional hardness, and blue to blue-gray color. Its crystal structure makes it especially recognizable among metamorphic minerals and desirable for both geological collections and crystal displays.

Mineral Properties

Mineral: Kyanite
Variety: Blue Kyanite
Chemical Composition: Aluminum silicate, Al₂SiO₅
Crystal System: Triclinic
Color: Blue to blue-gray
Luster: Vitreous to pearly
Transparency: Transparent to translucent
Mohs Hardness: Approximately 4.5 to 7 depending on crystal direction
Locality: Brazil
Weight: 55 grams
Dimensions: 93 × 34 × 19 mm
Form: Natural mineral specimen

Kyanite is notable for its anisotropic hardness, meaning its hardness changes depending on the direction in which the crystal is tested. It commonly forms in elongated, flattened blades and is associated with metamorphic geological environments.

Metaphysical Properties

In crystal traditions, blue kyanite is associated with communication, mental clarity, intuition, energetic alignment, and self-expression. Many crystal enthusiasts use it during meditation or spiritual practices and connect it with the throat chakra.

These metaphysical associations are based on traditional crystal beliefs and are not intended as medical or therapeutic claims.