![]() Obsidian is thought to be a powerful stone that can offer protection against negativity. Obsidian Gemstone Mythology, Metaphysical and Alternative Crystal Healing Powers Back to Top Obsidian is not usually treated or enhanced in any way. Translucent to transparent materials are faceted. Cabochon cuts also best exhibit any sheen or iridescence. Obsidian Cut and Shapeĭue to the opacity of most types of obsidian, it is usually cabochon cut, fancy cut, sphere-cut, tumbled, made into cameos or carved. Obsidian can display chatoyancy (cat's eye effect). Bolivian obsidian has been found to contain orange spessartine inclusions. ![]() Obsidian from Chile has also been found containing very rare inclusions of euhedral indialite crystals and transparent rods of sillimanite. It may also contain needle-like inclusions, gas bubbles, torpedo-shaped bubbles, teardrop-shaped bubbles or cristobalite crystal inclusions, which appear like "snowflakes" in " snowflake obsidian". It may contain inclusions which cause a silver or gold sheen. Since obsidian is volcanic glass, it has a vitreous (glassy luster). Orange obsidian is referred to as "pumpkin obsidian" and plum-colored obsidian is called "plum obsidian". Translucent to opaque, black-streaked orange, red or brown obsidian nodules from the American Southwest are known as "Apache tears". Transparent pale yellow-green to brownish obsidian from Peru is referred to as macusanite. "Fire" or "flame" obsidian reflects bright colors due to the presence of nanometric magnetite crystal layers. The rainbow colors of rainbow obsidian come from the presence of augitic pyroxene. The iridescence of obsidian can be gold, silver, blue, violet, green or combinations of these colors. ![]() Rainbow obsidian is dark-brown to black with an iridescent sheen. Sheen obsidian is dark-brown to black with a golden or silver sheen (this is also called aventurescence). Mahogany obsidian has dark-brown to black and red banding. It gets this color from the presence of iron and magnesium. However, some basic types of obsidian include the following: Mottled (snowflake and peanut obsidian), banded or veined (mahogany, midnight lace and pumpkin obsidian), pebbles or small nodules (Apache tears) and sheen (sheen obsidian, cat's eye, rainbow and fire/flame obsidian).īuying Obsidian and Determining Obsidian Gemstone Value Back to Top Obsidian Color Obsidian can be classified into varieties according to several characteristics. In its pure form, obsidian has a dark body color due to the presence of iron and magnesium. ![]() Obsidian has been used to make arrow heads and blades, as well as ornaments for thousands of years by people such as the pre-Columbian Mesoamericans and the ancient Egyptians. Due to its lack of cleavage, conchoidal fracture and acute edges when broken, it has been used to make smooth and sharp surgical scalpel blades. In addition to its decorative use, obsidian has a practical use. Obsidian forms when lava cools and whilst it is mineral-like, it is not considered to be a true mineral because its composition is too complex and it does not have a crystalline structure. Obsidian was named after Obsius, a Roman who discovered a similar stone. Obsidian is naturally occurring volcanic glass which has been used as a gemstone since antiquity. ![]() Readers will feel the torque, squeeze, and pull in these poems.About Obsidian - History and Introduction One can only hold so much inside," admits Torre. "When there's more joy or grief or hunger for knowing than I could express or explore elsewhere, I'm afflicted with the need to squeeze language from my fists. Merwin-Torre's book is a poetic journal of a man passionately engaged at once with the marvel of wilderness and the rural labors of family homesteading, construction, and the logging of that wilderness. Inspired and influenced by a diverse array of literary influences-Indigenous oral poets and English pastoral poets, T'ang Dynasty Chinese poets and Latin American poets, American Imagists and poets Theodore Roethke, James Wright, and W.S. Comprised of new and selected poems, Red Obsidian explores the necessary tensions that arise between genders and the pain and grief of environmental loss. A visceral new collection from esteemed poet Stephen Torre, grappling with the strength and complexities of life in the northwest wild landsĭrawing from a life lived well, amidst hard work and time for reflection in the northwest wild lands of the Canadian and American Wests, Stephen Torre returns to the literary world with his usual descriptive and lyric intensity. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |