Presentation :

Names) :

• Dravite and Uvite-dravite: “Chrome tourmaline”.

Etymology:

• Named after the Drava, a river in Austria (Tschermak, 1883).

Group, Family:

• Tourmaline Group.

Color :

1. Dravite: Brown, dark yellow-brown to orange-brown, bronze, black, greenish-black, yellow, dark red to red-brown, emerald green ("chrome tourmaline"), dark green to dark blue, sometimes colorless, Sometimes green-vrun, yellow-green-brown chatoyance or asterism, sometimes color changing effect (red-brown / dark green to green-brown) in certain stones very rich in chromium.
2. Uvite-dravite: Shades of brown, yellow-brown, orange-brown.

Chandelier:

• Glassy.

Origin :

• Africa: Kenya, Tanzania (Uvite-dravite); Sri Lanka, United States, New Mexico, New Jersey; Australia, etc.

Crystal system:

• Trigonal.

Chemical composition :

• Dravite: NaMg3Al6(BO3)3[Si6O18](OH)4 forms two series with Schorl: NaFe3+3Al6(BO3)3[Si6O18](OH)4 and Elbaite: Na(Al1.5Li1.5)Al6(BO3)3 [Si6O18](OH)4 | Uvite: CaMg3Al6(BO3)3[Si6O18][(OH3)O] can form mixtures with Dravite: NaMg3Al6(BO3)3[Si6O18](OH)4 | Coloring: Dark green ("chrome tourmaline"): Vandium and little chromium in V3+ and Cr3+ form in octahedral coordinations | Yellow to Brown: Titanium associated with Charge Transfer | Red: Iron in the form of Fe3+ pair.

Transparency:

• Transparent, Translucent to Opaque.

Density :

• 2.98 to 3.29 generally 3.10 | Uvite-dravite around 3.05 to 3.07.

Hardness :

• 7 to 8.

Cleavage:

• Null.

Breakage:

• Irregular, slightly conchoidal.

Line color:

• White.

Shock resistance:

• Good.

Heat resistance:

• Good.

Properties and virtues:

Physical virtues:

• Helps stimulate the regeneration of the body and allows you to recover more quickly from too drunken evenings.
• Regulates and treats intestinal problems and promotes intestinal transit.
• Treats and soothes skin diseases.
• Calms and soothes dermatoses.
• Harmonizes circulation between the hemispheres of the brain.

Psychological, emotional and mental virtues:

• Helps to alleviate and soothe conflicting relationships.
• Encourages openness to others and impulses of sociability.
• Brings courage and tenacity.
• Protects and purifies the body from self-pollution that we can do to ourselves through forms of negative thought patterns or actions.
• Helps and promotes a good understanding of everything that is us and what makes our path and our obstacles. Allows us to bring a little clarity to everything that is not necessarily clear.

• Promotes empathy and team spirit.

Spiritual virtues:

• Promotes anchoring.
• Balances Yin and Yang energies.
• Balances, aligns and protects the etheric body.

Chakra:

• Root chakra, 1st Ch.

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