Tourmaline – Pink-Cap Bi-Color Crystal, Afghanistan
About This Specimen
This slender tourmaline crystal displays distinct longitudinal color zoning, progressing from vivid yellow-green through a nearly colorless transition to a soft pink cap. Its elongated prismatic form, visible striations, and transparent to translucent appearance give the small crystal an elegant, architectural presence.
Specimen Details
- Mineral / Specimen Type: Pink-cap bi-color tourmaline crystal
- Locality: Afghanistan
- Form & Structure: Slender, longitudinally striated prismatic single crystal with a faceted termination
- Color: Yellow-green lower section transitioning through very pale green to a soft pink termination
- Rarity: Uncommon as an attractive, distinctly zoned bi-color collector crystal; tourmaline as a mineral group is widespread
- Mohs Hardness: 7–7.5
- Luster: Vitreous
- Chemical Formula: XY3Z6(T6O18)(BO3)3V3W (generalized tourmaline-group formula)
- Specimen Size: Miniature
- Dimensions: 0.5 × 0.47 × 4.8 cm
- Specimen Weight: 2.4 g (mineral only)
- Total / Display Weight: 51.5 g
About Tourmaline
Tourmaline is a chemically diverse group of trigonal borosilicate minerals known for elongated, vertically striated crystals and an exceptional range of colors. Green-to-pink zoning is frequently associated with lithium-rich tourmaline, but determining the precise species requires compositional testing; tourmaline-group minerals have a Mohs hardness of 7–7.5 and a vitreous luster.
Traditional & Metaphysical Associations
In crystal traditions, green tourmaline is associated with growth, vitality, and connection with nature, while pink tourmaline symbolizes compassion and emotional warmth. Bi-color crystals are often used in meditation or intention-setting as symbols of balance and transition. Metaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.
Why This Specimen?
The crystal's unusually slender proportions emphasize its crisp vertical striations and clear green-to-pink transition. Mounted upright for viewing, it makes a refined miniature display with strong color contrast despite its delicate size.
Exact specimen pictured. You will receive the exact specimen shown in the photographs.