$105Median
8Sold (12 mo)
$95Last sale
Talc specimens for sale
6 for sale · $130–$950 USD
25 in the gallery
Talc is a mineral defined by its very soft, platy habit and pearly to silky luster, typically forming in foliated aggregates that can be easily scratched with a fingernail. Its color ranges from white to gray or pale green in some varieties, and its feel is greasy to the touch, with a characteristic silky sheen when polished or cut. Specimens often occur as small, tabular crystals or as soapstone-like masses, sometimes revealing cleavages that reflect light in a subtle, iridescent way.
- Formula
- Mg3Si4O10(OH)2
- Rarity
- Abundant
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Silicate mineral; Phyllosilicate subclass; Mg3Si4O10(OH)2 (Talc group)
Buy Talc specimens
View all 6Where Talc is found
Top localities
- Trimouns Talc Mine4 specimens
- Aït Ahmane3 specimens
- Brumado3 specimens
- North Carolina3 specimens
- Zederhaus valley3 specimens
- Marquette County2 specimens
- Cornwall1 specimen
- Frosnitz valley1 specimen
- Madison County1 specimen
- Montreal Mine1 specimen
About Talc
Notable specimens come from a variety of locales, with significant collections periodically reported from the United States and Canada, as well as European sites that have long documented talc-bearing rocks. Talc forms through hydrothermal alteration and metamorphic processes, producing relatively soft, layered rocks that are easy to carve and shape. These pyrophobic properties contribute to its longstanding industrial use, while mineral collectors prize transparent to translucent forms and well-preserved cleavage surfaces for display and study.
Collectors appreciate talc for its unique surface properties and versatility in display, as well as its place in geological history as a product of alteration environments. The mineral’s delicate habit and soft lustre offer a gentle contrast to more lustrous or robust minerals, making talc a reference point for identifying metamorphic and hydrothermal environments in hand samples and cabinets.
