These are the more used gemstones for make the pieces ofered by Manos de la Tierra


Carnelian Agate
Color: Orange red
Category: Silica
Hardness (Mohs scale): 7

Amethyst
Color: Purple, violet
Category: Silica
Hardness (Mohs scale): 7

Amber
Color: Yellow, cognac, red, white, green, blue
Category: Organic material
Hardness (Mohs scale): 2 - 2,5

Garnet
Color: Red wine, cherry
Category: Nesosilicate
Hardness (Mohs scale): 7 - 7,5

Jade
Color: Green
Category: Inosilicate
Hardness (Mohs scale): 6.5 - 7

Lapis lazuli
Color: Ultramarine
Category: Lazurite
Hardness (Mohs scale): 5 - 6

Malachite
Color: Green
Category: Carbonate
Hardness (Mohs scale): 3.5 - 4

Obsidian
Color: Black
Category: Volcanic glass
Hardness (Mohs scale): 5 - 5.5

Opal
Color: Colorless, white, yellow, red, orange, green, brown, black, blue
Category: Silica
Hardness (Mohs scale): 7

Pectolite
Color: Colorless, pale blue, white, pink, green
Category: Inosilicate
Hardness (Mohs scale): 4.5 - 5

Rhodochrosite
Color: Brown, gray, yellow, red, pink red, red rose
Category: Carbonate
Hardness (Mohs scale): 3.5 - 4

Turquoise
Color: Blue, blue-green,
Category: Phosphate
Hardness (Mohs scale): 5 - 6
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