Black Tourmaline / Schorl Gemstone - Tumbled Stone - Worry Stone - A Quality #5402

Palm Stone / Laying Stone – Black Tourmaline (Schorl)

Black tourmaline, also known as schorl, is an impressive gemstone with a deep black color and natural luster. It is one of the most well-known and popular tourmaline varieties and is valued for its clear, intense color. Each stone is a unique natural specimen of A-grade quality with a smooth surface and fine structure.

With its pleasantly rounded shape, black tourmaline fits wonderfully in the hand and is ideal as a palm stone, laying stone, or decorative gemstone. Its dark elegance and natural texture make each piece a distinctive individual item in any collection or decoration.

Product Details

• Gemstone: Genuine Black Tourmaline (Schorl)

• Shape: Palm Stone / Laying Stone

• Size: approx. 20–30 mm

• Color: Deep black with a silky sheen – each piece is unique

• Use: As a palm stone, laying stone, for decoration, or for collectors

• Special Feature: The image is a sample image – you will receive an individual natural stone

Advantages & Use

• Smoothly polished and comfortably tactile

• Ideal as a laying stone, palm stone, or decorative stone

• Each stone is a unique natural specimen with an individual surface

• Easy to care for and durable

Locations

Black tourmaline (schorl) is found worldwide. Significant deposits are located in:
Brazil, Sri Lanka, Afghanistan, Namibia, Pakistan, Madagascar, Russia, and Germany (Ore Mountains).

Chemical Composition

• Mineral Class: Silicates

• Chemical Formula: NaFe²⁺₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

• Hardness: 7 – 7.5 (Mohs scale)

• Density: approx. 3.1 – 3.3 g/cm³

• Crystal System: Trigonal

• Color: Deep black, opaque, vitreous luster