Detailed sheet

shortite

Discovered in 1939, it honors the name of American mineralogist Maxwell Naylor Short (1889-1952).



CHEMICAL CHARACTERISTICS

Na2Ca2[CO3]3

calcium and sodium carbonate



PHYSICAL CHARACTERISTICS

Main color

white

Other colors

colourless, yellow

Color of streak

white

Luster

vitreous

Hardness

3.0 to 0.0

Density

2.60 to 0.00

Cleavage

good

Fracture

conchoidal



OPTICAL PROPERTIES

Transparency

translucent, transparent

Refractive index

1.530 - 1.570

Double refraction

0.040

strong biaxial (-)

visible double refraction

Yes

Dispersion

+

Pleochroism

absent

Number of colors

1

Fluorescence

weak

yellowish



CRYSTALS PROPERTIES

flattened pyramidal

crystals system

orthorhombic



OTHER INFORMATIONS

Exploited
sites

It is found in Tajikistan, Russia (Kola Peninsula), Canada (Mt. St. Hilaire) and Utah in the United States.

use in jewelry

This is only a little colored collection stone and rarely transparent.

Daily care
and precautions

It decomposes in water.

Other
Gems

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notre site web

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