The Crystal Cult

Halite

Halite

Vidal Dias

Properties of Halite Mineral Group Halide Cleavage Perfect Chemical Composition  NaCl Fracture  Conchoidal Luster Vitreous Diaphaneity Transparent to translucent Color Colorless or white when pure; impurities produce any color but...

Halite

Vidal Dias

Properties of Halite Mineral Group Halide Cleavage Perfect Chemical Composition  NaCl Fracture  Conchoidal Luster Vitreous Diaphaneity Transparent to translucent Color Colorless or white when pure; impurities produce any color but...

Bismuth crystal

Bismuth Meaning & Properties

Vidal Dias

Properties of Bismuth Mineral Group Native Semimetals  Cleavage Perfect Chemical Composition  Bi Fracture  Uneven Luster Metallic Diaphaneity Opaque Color Reddish-white to creamy-white; tarnishes iridescent pinkish, yellowish or bluish Streak Silver...

Bismuth Meaning & Properties

Vidal Dias

Properties of Bismuth Mineral Group Native Semimetals  Cleavage Perfect Chemical Composition  Bi Fracture  Uneven Luster Metallic Diaphaneity Opaque Color Reddish-white to creamy-white; tarnishes iridescent pinkish, yellowish or bluish Streak Silver...

Vesicular Basalt Meaning & Properties

Vesicular Basalt Meaning & Properties

Vidal Dias

Vesicular basalt or lava stone is a dark-colored volcanic rock with numerous tiny pores known as vesicles. A vesicle is a tiny hollow in a volcanic rock created by the...

Vesicular Basalt Meaning & Properties

Vidal Dias

Vesicular basalt or lava stone is a dark-colored volcanic rock with numerous tiny pores known as vesicles. A vesicle is a tiny hollow in a volcanic rock created by the...

Pink Tourmaline ((Rossmanite) Meaning and Properties

Pink Tourmaline ((Rossmanite) Meaning and Prope...

Vidal Dias

Properties of Pink Tourmaline (Rossmanite) Mineral Group Cyclosilicates Cleavage Indistinct Chemical Composition  ◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH) Fracture  Irregular/Uneven, Conchoidal Luster Vitreous Diaphaneity Transparent to translucent, nearly opaque Color Pale Pink to Colorless  Streak...

Pink Tourmaline ((Rossmanite) Meaning and Prope...

Vidal Dias

Properties of Pink Tourmaline (Rossmanite) Mineral Group Cyclosilicates Cleavage Indistinct Chemical Composition  ◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH) Fracture  Irregular/Uneven, Conchoidal Luster Vitreous Diaphaneity Transparent to translucent, nearly opaque Color Pale Pink to Colorless  Streak...

Black Tourmaline (Schorl) Meaning and Properties

Black Tourmaline (Schorl) Meaning and Properties

Vidal Dias

  Properties of Black Tourmaline (Schorl) Mineral Group Cyclosilicates Cleavage Indistinct Chemical Composition Na Fe+23 Al6 Si6O18 (BO3)3 (OH,O)3 (OH) Fracture Irregular/Uneven, Conchoidal Luster Vitreous Diaphaneity Transparent to translucent, nearly opaque Color Black Streak White,...

Black Tourmaline (Schorl) Meaning and Properties

Vidal Dias

  Properties of Black Tourmaline (Schorl) Mineral Group Cyclosilicates Cleavage Indistinct Chemical Composition Na Fe+23 Al6 Si6O18 (BO3)3 (OH,O)3 (OH) Fracture Irregular/Uneven, Conchoidal Luster Vitreous Diaphaneity Transparent to translucent, nearly opaque Color Black Streak White,...

Kyanite Meaning and Properties

Kyanite Meaning and Properties

Vidal Dias

As mentioned previously there are three polymorphs Kyanite, Sillimanite and Andalusite. All have the same chemical composition (Al₂SiO₅)  but are distinct minerals based on the conditions under which they crystallize.  This...

Kyanite Meaning and Properties

Vidal Dias

As mentioned previously there are three polymorphs Kyanite, Sillimanite and Andalusite. All have the same chemical composition (Al₂SiO₅)  but are distinct minerals based on the conditions under which they crystallize.  This...