Detailed sheet

aragonite

Its name comes from the Spanish region of Aragon, Castille. Identified by Werner in 1797 is a calcium carbonate, like calcite, but crystallizes in another crystal system.



CHEMICAL CHARACTERISTICS

Ca[CO3]

calcium carbonate



PHYSICAL CHARACTERISTICS

Main color

colourless

Other colors

white, blue, grey, orange, pink, red, green, purple

all the existing colors

Color of streak

white

Luster

greasy, vitreous

Hardness

3.5 to 4.0

Density

2.94 to 0.00

Cleavage

perfect

Fracture

conchoidal



OPTICAL PROPERTIES

Transparency

transparent

Refractive index

1.530 - 1.685

Double refraction

0.155

strong but not as much as calcite, biaxial negative

visible double refraction

Yes

Dispersion

0.019(0.010)

Pleochroism

absent

Number of colors

1

Fluorescence

variable

of different colors and intensity



CRYSTALS PROPERTIES

prisms, very often twinned.

crystals system

orthorhombic



OTHER INFORMATIONS

Astrological sign

Aries, Leo, Sagittarius, Scorpio

Exploited
sites

Very common mineral, it is found in France, Namibia (Tsumeb), Spain, Morocco, Zaire, South Africa, Brazil, Mexico, Alaska, England, Russia …

use in jewelry

It is faceted cut in its variety of gems, but it is a collection stone. It is used to make ornaments or plates when it is massive and zoned in different colors.

Daily care
and precautions

Fragile and of low hardness, it should not be subjected to shocks. Keep discarded from household products.

imitations and
treatments

This is a really common stone that is not necessary to imitate.

Historical
healing properties

It would have a beneficial effect on the skeleton and teeth, that’s why she was called in the nineteenth century “stone bone”of the first chakra.
It would also have a soothing effect for the impatient, the anxious, those playing with time and are always late, she would teach them patience, calm, reflection, enabling them to remain in the factual, the concrete without being distracted.

Other
Gems

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