7.70 carat Sun Stone cabochon, 17.6 × 9.6 × 6.65 mm, from Malawi – unique piece
This 7.70 carat Sun Stone from Malawi measures 17.6 × 9.6 × 6.65 mm and has been cut as an elegant pear shaped cabochon. The stone displays the warm orange to reddish tones that are characteristic of Sun Stone. The smoothly polished surface highlights the fine, slightly shimmering structure of the mineral and allows the light to move softly across the surface of the stone. With its harmonious drop shape and even color appearance, this specimen is suitable both for custom jewelry creations and as an attractive collector’s gemstone for lovers of natural gem materials.
Geology & origin
Sun Stone belongs mineralogically to the feldspar group and is usually described as a variety of plagioclase. The mineral is known for its warm colors and often contains fine inclusions that can create a subtle shimmer or reflective effect within the stone. Deposits in Malawi are among the known African sources of gem quality material of this type. The stones form in magmatic rocks where feldspar minerals crystallize during the cooling of molten rock. This specimen represents the typical characteristics of Sun Stone from this region in a carefully polished form.
Application note
The stone is suitable, among other things, for jewelry making such as pendants, rings, or collector pieces for gemstone enthusiasts. During setting or processing the stone should be protected from strong impacts, as feldspar minerals can be relatively sensitive to mechanical stress. For cleaning, lukewarm water and a soft cloth are recommended; aggressive cleaning agents or ultrasonic cleaning should be avoided.