Minerals

Talc

The softest mineral on Earth, in export grades from Super White to Greenish White.

Introduction

Talc is a naturally occurring hydrated magnesium silicate mineral and is recognized as the softest mineral on Earth (Mohs hardness 1). It is widely used in plastics, paints, paper, ceramics, cosmetics, pharmaceuticals, rubber, agriculture and construction.

Raw white talc stone on a black background

Specifications

Geological formation

Talc forms through hydrothermal alteration and metamorphism of magnesium-rich rocks over millions of years.

Mining locations

Major deposits are located in Sherwan, Jamrud, Mohmand, Bajaur, Shangla, Swat, Chitral, Buner, Zhob and Khuzdar.

Chemical composition

Chemical formula: Mg3Si4O10(OH)2. Main components: magnesium oxide (30–32%), silicon dioxide (60–64%) and combined water (4–5%).

Physical properties

Mohs hardness 1 · monoclinic crystal system · density ~2.7 g/cm³ · insoluble in water · excellent lubricity and thermal stability.

Colour grades

Super White, White, Off-White, Grey and Greenish White.

Standard product forms

Lumps, chips, granules, talc powder (200–1250 mesh) and micronized talc (50–5 micron).

Industrial applications

Plastics, paints, paper, ceramics, rubber, cosmetics, pharmaceuticals, food processing (where regulations permit), agriculture and construction.

Quality parameters

Whiteness 90–98%, brightness 90–97%, moisture below 0.5%, pH 8–9.

Manufacturing process

Mining, sorting, crushing, grinding, micronization, air classification, laboratory testing, packaging and export.

Packaging

25 kg, 40 kg and 50 kg bags, jumbo bags, and customized export packaging.

Close-up of white talc lumps
Talc chips spread across a yard
Talc processing yard with conveyor, loader and a Swallow International site board

Why choose Swallow International

High-purity talc with consistent quality, modern processing, customized grades and dependable export services.