Borneo Amethyst

Borneo Amethyst

Chrysocolla Chalcedony

Chrysocolla Chalcedony

Indonesian Chalcedony which is known as Bacan

Alexandrite Chrysoberyl

Colour Change Alexandrite Chrysoberyl

Natural Cat's Eye Colour Change Alexandrite Chrysoberyl 

Yellowish Green to Orange

Topaz GemStones

Natural Blue Topaz Gemstones

Star Sapphire

Purple Blue Star Sapphire

Colour : Purplish Blue

Weight : 6.01 carats

Origin : Srilanka

Comment : No Heat

Alexandrite Chrysoberyl

1.875 Carats Cat's eye Alexandrite Chrysoberyl

Alexandrite is highly regarded colour changing variety of Chrysoberyl.

The colour of Alexandrite changes under different lighting conditions.

If viewed in daylight, its colour is greenish blue to dark yellow-green.

If viewed in incandescent or candle light, its colour is pink to red.

Alexandrite is a very rare and highly valuable gemstone, and until recently was extremely difficult to obtain due to its rarity. However, new sources in Brazil and Tanzania have made this gemstone available and more mainstream on the gemstone market.

Alexandrite Chrysoberyl's colour : various shades of green, yellow, brownish to greenish black, may be raspberry-red under incandescent light when chromain ; colourless, pale shades of yellow, green or red in transmitted light.
The hardness of Alexandrite Chrysoberyl is 8.5 MS.

Star Sapphire

Gray Blue Star Sapphire

Colour : Gray Blue Star Sapphire

Weight : 7.00 Carats

Origin : Srilanka

Comments : No Heat