Talco Esteatita
The English version of this entry is not ready yet — text shown in Spanish.
Talco is a mineral with formula Mg₃Si₄O₁₀(OH)₂, in the Silicatos (Filosilicatos) group. This specimen comes from .
Description
Roca de esteatita verde claro a grisácea, de superficie mate a ligeramente brillante y tacto jabonoso; se raya fácilmente con la uña.
History of this specimen
Bought at the Fuengirola flea market.
About Talco
Soapstone is a metamorphic rock composed mostly of talc, with possible chlorite or magnesite. It has traditionally been used for carvings and objects because of its softness and heat resistance.
Technical data
- Catalogue No.
- 0558
- Internal reference
- X0145
- Composition
- Mg₃Si₄O₁₀(OH)₂
- Name
- Talco
- Variety
- Esteatita
- Group
- Silicatos (Filosilicatos)
- Etymology
- From the Greek 'steatites' (στεατίτης), derived from 'stear' (στέαρ), meaning 'fat' or 'tallow', because of its soft, soapy feel.
- Quality
- Buena
- Value trend
- Estable
Related specimens
- Arfvedsonita —
- Asbesto —
- Calcita —
- Calcita (Ferruginosa) —
- Calcita (Azul) —
- Cianita —
- Crisocola — España
- Crisocola — España