Mined from: Mont St. Hilaire, Quebec, Canada
Description: Hackmanite is a rare and fascinating gemstone that is closely associated with the region of Quebec, Canada. It is a variety of the mineral sodalite and is known for its unique property of tenebrescence, which means it can change color when exposed to different lighting conditions. The name "hackmanite" is derived from the Finnish geologist Victor Axel Hackman, who first discovered this phenomenon in the gemstone.
Hackmanite is typically found in the Mont Saint-Hilaire area in Quebec, which is renowned for its rich mineral deposits. The gemstone occurs in various shades of blue, ranging from pale blue to deep violet-blue. It is often opaque and can display a vitreous to greasy luster when polished.
One of the most intriguing aspects of hackmanite is its ability to exhibit tenebrescence. When hackmanite is exposed to sunlight or ultraviolet light, it undergoes a temporary color change. Initially, it appears pale or colorless, but upon exposure to UV light, it can develop a vibrant pink, violet, or even reddish color. This phenomenon is known as reversible photochromism. Over time, when the gemstone is kept away from light, it gradually returns to its original color.
The tenebrescent property of hackmanite is caused by the presence of trace amounts of sulfur within the mineral's structure. When the gemstone absorbs UV light, the sulfur ions undergo a transformation, leading to the change in color. It's important to note that excessive exposure to light can lead to fading of the tenebrescent effect in hackmanite, so it is often recommended to store it in a dark place to preserve its unique characteristics.
Due to its rarity and distinctive color-changing property, hackmanite is highly sought after by gem collectors and enthusiasts. It is often used in jewelry, especially in the form of cabochons, beads, and pendants. The unique color-changing effect makes hackmanite a captivating gemstone that stands out in any collection.
In addition to its aesthetic appeal, hackmanite is also believed to possess metaphysical properties. It is said to promote relaxation, calmness, and emotional balance. Some people believe that hackmanite can help alleviate stress and anxiety while encouraging a sense of inner peace.
Overall, hackmanite from Quebec is a remarkable gemstone known for its tenebrescent property and its association with the mineral-rich region of Mont Saint-Hilaire. Its unique color-changing effect, rarity, and metaphysical properties make it a prized gemstone among collectors and individuals seeking something truly distinctive.
Hackmanite is also UVB and UVC Reactive ( Best under Long wave)
Chakra: Crown & Root
Approximate Size of 1 Piece: 6cm x 4cm x 4cm
Approximate Weight of 1 Piece: 65g
Approximate Size of 1 Piece: 9cm x 7cm x 6cm
Approximate Weight of 1 Piece: 340g
Approximate Size of 1 Piece: 11cm x 10cm x 9cm
Approximate Weight of 1 Piece: 650g
We do our best to buy quality products- although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.