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Home / Gem Library / Gemstones Varieties / Almandite May 17, 2012

Natural Almandite

Theoretically, pure Almandite Fe3Al2(SIO4)3 , should have an SG of 4.25 and an RI of 1.78. However, most almandites also contain some pyrope and the composition is frequently gradational. The chemical compostion is somewhat variable and many almandites may also contain varying amounts of spessartite or grossularite. In practice, garnets are usually referred to as almandite if they have an SG over 3.95 and an RI greater than 1.78. The color of almandite is usually dark toned with a more intense red inclining to red violet.


  • There are 20 Almandite gemstones available at Multicolour.com
  • Almandite(s) are organized in the following categories: CalibratedSingle,  gemstones.
  • Our most expensive Almandite is USD 78.52 and largest Almandite weight is CTS 5.51.
  • Our cheapest Almandite is USD 1.50 and smallest Almandite weight is CTS 0.32.

Find your Almandite

Our Almandite(s) are available in various shapes, sizes and colors. 20 Almandite(s), too many to look through? You may select any combination of search options. Colors grade into each other and you can search for more than one color at once. For a better selection, try selecting two or three colors, -- your first choice plus the two closest colors.

Shape Length (mm) Width (mm)
Category Weight (cts) Price (USD)
Color range
orangy red
slightly purplish red





Almandite Profile

Color information: Dark toned with a more intense red inclining to red violet.
Refractive Index: 1.78 - 1.81
Chemical Composition: Fe3Al2(SIO4)3
Hardness: 7.5
Density: 3.95 - 4.20
Crystal Group: Cubic
Ocurrence: USA, Sri Lanka, Brazil, Pakistan, Burma, Madagascar, Austria, India, Mozambique, Scotland.
Sign of the Zodiac: N/A
Month of the year: N/A
Almandite

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Almandite range/
Almandite Calibrated
Almandite Calibrated Round Eye clean to Slightly included
Size: 11.00 X 11.00 MM
Weight: 5.510 CTS
Shape: Round
Clarity: Eye clean to Slightly included
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 78.52
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Almandite Calibrated
Almandite Calibrated Round Eye clean to Slightly included
Size: 4.00 X 4.00 MM
Weight: 0.320 CTS
Shape: Round
Clarity: Eye clean to Slightly included
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 1.50
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