It is commonly a blue gemstone that changes color to a purple.
Purple stone that changes color in light.
Color change diaspore is usually a kiwi green under natural light and a brownish pink to raspberry in candlelight.
Color changing fluorite is most often found as a blue stone under natural light that turns to a purple stone under incandescent lighting.
Most purple kunzite is quite light in color but some stones can have a vivid and intense hue.
How color changing gemstones change colors.
Only recently has the color change fluorite come on to the market and most of it is irradiated to induce the color change.
Color change garnet changes from bronze in daylight to a rose pink under incandescent light.
Alexandrites are stunning gemstones that change from reddish purple to greenish with any number of color variations.
Green in daylight to slightly purple red in incandescent light.
Sources of color change chrysoberyl.
In daylight color tones can range from clear or a mild yellow and pink to pale brown or champagne.
This affordable and attractive stone is actually relatively soft which means that it is best used for pendants earrings and bracelets where it is exposed to limited wear.
Kunzite can also exhibit pleochroism which refers to its ability to exhibit two colors at the same time depending on the angle it is viewed from.
The hardness of the mineral is the same as quartz thus making it suitable for use in jewelry.
When exposed to artificial light the stone will change to a vibrant pink with the color change most noticeable in stones that are brown.
Russia 6 carats.
The gem has a transparent quality with color hues that change based on the type of light it is exposed to.
It is important for the lighting to be correct for a color changing gemstone to shift between shades.
Lovely hues of green and purple in polished stones.
Color change sapphire exhibits a range of different color changes ranging from pink purple to green purple.
Amethyst is a purple variety of quartz sio 2 and owes its violet color to irradiation impurities of iron and in some cases other transition metals and the presence of other trace elements which result in complex crystal lattice substitutions.
Hue and tone.
A classic alexandrite color change.
If any other color change combinations are observed the stone should be identified as a color change chrysoberyl.