A Ametrine.

The best natural Specimens in recent years have been coming out of Bolivia.
The crystal is transparent when backlit, so you can easily see the Amethyst & Citrine inside

Dimensions 2.4" x 1.75" x 1.24" inches
Weight 335 carats | 2.4 oz
Origin: Anahi Mine, Bolivia
Keys: Mental and Spiritual Clarity, Decisiveness

Ametrine energies are said to stimulate the intellect and rid the aura of negative energy. It is also said to be helpful for releasing negative emotional programming. Ametrine is reputed to mystically aid in meditation, boost psychic abilities, relieve tension, disperse negativity and help to eliminate prejudice. It also has the basic metaphysical and healing properties of both Citrine and Amethyst.