Rose Quartz is a pink variety of quartz, belonging to the rock crystal family of stones. All rock crystals are composed of SiO2 They form according to a trigonal crystal structure, and have a hardness of 7 on the Mohs scale.
The Merkabah is a two pyramids inverted into each other. Based on sacred geometry it has been used by many cultures, although today it is most commonly associated with the Hebrew culture and is called the Star of David. Within the kabbalah (spiritual Jewish tradition) it is seen as an actual vehicle made of light that carries us towards enlightenment; the practice of picturing yourself standing with in this shape is said to train the mind and open our awareness and spiritual evolution.