Black Tourmaline Crystal Pyramid dhoop incense 5–8 it is the hardest

5–8 it is the hardest stone in this range

Red Sandalwood is the other "sandalwood" - Pterocarpus santalinus

and harmonizing emotions

Aromatic Profile: Sacred sandalwood

this is the Stupa workshop's Kathmandu version

Black Tourmaline Crystal Pyramid dhoop incense 5–8 it is the hardestBlack tourmaline a dense, true black cut to four faces and an apex, marked with fine lengthwise grooves: schorl, one of the most chemically complex minerals cut as a stone. From Brazil, a pyramid. It is schorl, a sodium iron rich tourmaline, one of the most complex borosilicate minerals known, its formula running to a dozen elements; iron gives the deep black. Harder than quartz at Mohs 77. 5, with fine striations that often survive the polish.