A Quartz gemstone from Minas Gerais, Brazil with fine needle-like inclusions of green Actinolite.
The otherwise colourless Quartz host owes its grass-green colour to the dense field of acicular Actinolite inclusions within the gem.
weight: 17.80 carats
shape: Trillion cut
dimensions: 20.48 x 19.69 x 9.53 mm