Mineral Name

Garnet

Chemical Formula

X3Y2(SiO4)3

Creator

Preview

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Color

occurs in all colors, most commonly red, borwn, yellow, white, green, black

Class

Article

Luster

vitreous to resinous

Diaphaneity

transparent to translucent

Hardness

6.5-7.5

Cleavage

indistinct

Fracture

conchoidal to uneven

Density

3.5-4.3

Crystal Shape

common form is dodecahedron and trapezohedron

Crystal System

Isometric

Comments

X most often represents Ca, Fe2+, Mn, or Mg; Y most often represents Al, Cr, or Fe3+

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