Tourmaline (Blue with Black Cap), in Quartz matrix

$28.00

Beautiful specimen showcasing blue tourmaline with black caps embedded in quartz matrix

Tourmaline is a complex boron-containing silicate mineral. Its chemical composition varies considerably depending on which elements are present, including:

  • Boron, Aluminum. Silicon, Oxygen, Sodium, calcium, lithium, magnesium, iron, and other elements

Origin: Tourmaline Mines, San Diego, Ca

(Item code: TRM02)

Beautiful specimen showcasing blue tourmaline with black caps embedded in quartz matrix

Tourmaline is a complex boron-containing silicate mineral. Its chemical composition varies considerably depending on which elements are present, including:

  • Boron, Aluminum. Silicon, Oxygen, Sodium, calcium, lithium, magnesium, iron, and other elements

Origin: Tourmaline Mines, San Diego, Ca

(Item code: TRM02)