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Home / Gem Library / Gemstones Varieties / Color Change Garnet November 26, 2014

Natural Color Change Garnet

Color Change Garnet is one of the most rare, interesting, and phenomenal of all gems. The color change can be intense and equal to the color change of top quality alexandrite. Color change garnets can easily be mistaken for alexandrite. Some of the best stones are from the deposit in Bekily, Southern Madagascar but top stones also occur near Chavia on the Kenya Tanzania border, as well as near Nandagala, Southern Tanzania. Stones from this mine are well known for their strong alexandrite like color change. To appreciate the full range of color change in these stones, one needs to observe the stones under early morning light, fluorescent light, late afternoon sunlight, and incandescent light.


  • There are 176 Color Change Garnet gemstones available at Multicolour.com
  • Color Change Garnet(s) are organized in the following categories: CalibratedPairSingle,  gemstones.
  • Our most expensive Color Change Garnet is USD 7214.40 and largest Color Change Garnet weight is CTS 9.72.
  • Our cheapest Color Change Garnet is USD 0.82 and smallest Color Change Garnet weight is CTS 0.01.

Find your Color Change Garnet

Our Color Change Garnet(s) are available in various shapes, sizes and colors. 176 Color Change Garnet(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
bluish green
bluish purple
green-blue or blue-green
purple
greenish blue
reddish purple
blue
red-purple or purple-red
bluish violet
strongly purplish red





Color Change Garnet Profile

Color information: Color changing from green or lavender to red.
Chemical Composition: Nesosilicate
Hardness: 7-7.5
Density: 3.80
Crystal Group: Cubic
Ocurrence: East Africa, Madagascar, Sri Lanka
Sign of the Zodiac: N/A
Month of the year: January
Color Change Garnet
Color change garnet is especially difficult to photograph. Not only does the color change as a result of illumination under different kinds of light sources but, it also varies as a result of geographical location and time of day. Pictures also appear to differ because of technological obstacles like screen and graphic resolutions. We try to minimize the variations and display photographs which represent our best efforts at trying to show the most accurate colors with the equipment available to us.

The color of the color change garnets is primarily a function of the time of day and the type of lighting. Light is measured by color temperature. Cool daylight above 5500K will highlight the blue or the green colors while warm daylight around 3500K will make the stones appear red. Candle light is the ideal incandescent light and it was from candle lights that color change in gemstones was first observed. Our photographers use daylight 5500K and incandescent lights 3300K to highlight the color change. A typical color change garnet shot will maximize the observable color change by obstructing any unintentional ambient light so that the resulting image is a function of a singular unmixed light source. Early morning light will make the stones look greenish or bluish while afternoon light will make them appear red.

Color change is also related to the distance of the light source from the stone as well as the angle of the light to the stone. For observing the red color, the penlight should be 2 to 3 inches from the stone and the strongest affect will occur if the light is directed across the table.

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Color Change Garnet range/
Color Change Garnet Single
Color Change Garnet Single Oval Eye clean to Slightly included
Size: 10.80 X 8.50 MM
Weight: 4.860 CTS
Shape: Oval
Clarity: Eye clean to Slightly included
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 7214.40
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Color Change Garnet Calibrated
Color Change Garnet Calibrated Round Eye clean
Size: 1.80 X 1.80 MM
Weight: 0.020 CTS
Shape: Round
Clarity: Eye clean
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 0.82
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