Calcita
Calcita is a mineral with formula CaCO₃, in the Carbonatos group. This specimen comes from .
Description
An elongated, translucent calcite point with a brownish-orange central core and internal bands that reveal different growth stages. The termination is partially faceted, and a possible incipient twinning plane can be seen, without forming the classic swallowtail.
History of this specimen
A piece from Óscar's childhood, he ‘recovered’ it from a school collection.
Technical data
- Catalogue No.
- 0159
- Composition
- CaCO₃
- Name
- Calcita
- Group
- Carbonatos
- Category
- Estélites
- Size (cm)
- 7.5 x 2 x 1.5
- Weight
- 47 g
- Etymology
- From the Latin “calx” (lime), in reference to its historical use as a source of lime.
- Quality
- Muy buena
- Value trend
- Estable
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