Rare Spectrolite Slab from Finland – 28g Iridescent Feldspar Gemstone for Display or Lapidary Use

Bring dark elegance to your collection with this polished Spectrolite slab. Sourced from the legendary mines of Finland, this 28-gram specimen showcases a rich graphite-gray surface with shimmering flashes of blue and green that appear as light strikes the stone. A rare form of labradorite, Spectrolite is prized for its deep coloration and brilliant labradorescence—perfect for collectors, metaphysical displays, or custom lapidary work.

Specimen Name: Spectrolite Polished Slab

Dimensions:
Approximately 2.1" x 1.4" (estimated)
Weight: 28 grams

Attributes:

• Subtle iridescent flashes of blue, green, and violet across dark matrix
  

• Sourced from Ylämaa, Finland—home of true Spectrolite

• Member of the feldspar (plagioclase) family

• Chemical formula: (Ca,Na)(Al,Si)₄O₈

• Mohs hardness: 6–6.5

• Displays striking optical effect known as labradorescence

• Rare and collectible variation of Labradorite

• Ideal for display, metaphysical use, or precision lapidary designs

• Each specimen reveals a unique light-play depending on cut and angle

Note: Some photographs were taken while the specimen was wet to enhance its natural colors.