Item Description
Kyanite
Stone of Attunement
Properties of Kyanite
Physical Properties
Category:
Nesosilicate
Chemical Formula:
Al2SiO5
Crystal Class:
Pinacoidal
Crystal System:
Triclinic
Name:
Kyanite
Space Group:
P1
Strunz Classification:
9.AF.15
Unit Cell:
a = 7.1262(12) Åb = 7.852(10) Åc = 5.5724(10) Åα = 89.99(2)°, β = 101.11(2)°γ = 106.03(1)°; Z = 4
Mineral Identification
Cleavage: [100] perfect [010] imperfect with 79° angle between
Crystal Habit: Columnar, Fibrous, Bladed
Diaphaneity: Transparent to translucent
Fracture: Splintery
Luster: Vitreous
Optical Properties: Biaxial (-)
Pleochroism: Trichroic
Refractive Index: nα = 1.712 - 1.718 nβ = 1.720 - 1.725 nγ = 1.727 - 1.734
Specific Gravity: 3.67
Streak: White
Tenacity: Brittle
Twinning: Lamellar on {100}
Healing Properties of Kyanite
Intentions & Metaphysical
Item Description
Quartz
The Universal Crystal
Properties of Quartz
Physical Properties
Category:
Silicate Mineral
Chemical Formula:
SiO2
Crystal Class:
α-Quartz: Trapezohedral; β-Quartz: Trapezohedral (Class 6 2 2)
Crystal System:
α-Quartz: Trigonal; β-Quartz: Hexagonal
Dana Classification:
75.01.03.01 (Tectosilicates)
Name:
Quartz
Space Group:
α-Quartz: P3221 (no. 154), β-Quartz: P6222 (no. 180)
Strunz Classification:
4.DA.05 (Oxides)
Synonym:
Agate, Amethyst, Aventurine, Carnelian, Cat's Eye, Chalcedony, Chert, Chrysoprase, Citrine, Flint, Hornstone, Jasper, Moss Agate, Plasma, Prase, Rock Crystal, Rose Quartz, Sapphire Quartz, Smoky Quartz, Tigers Eye
Unit Cell:
a = 4.9133 Å, c = 5.4053 Å; Z=3
Mineral Identification
Birefringence: +0.009 (B-G interval)
Cleavage: {0110} Indistinct
Common Colors: Colorless, Various depending on inclusions
Crystal Habit: 6-Sided Prism, Hexagonal Terminations, Drusy, Massive, Microcrystalline
Diaphaneity: Transparent to Opaque
Formula Mass: 60.083 g·mol−1
Fracture: Conchoidal
Luster: Vitreous to dull
Melting Point: 1670 °C
Mohs Hardness: 7
Optical Properties: Uniaxial (+)
Pleochroism: None
Refractive Index: nω = 1.543–1.545, nε = 1.552–1.554
Specific Gravity: 2.65
Streak: White
Tenacity: Brittle