#Black obsidian stone for fish tank full#

Basalt glass varieties of obsidian are slightly harder at a 6.Ĭolor: Black, silver, gold, reddish-brown, rainbow How strong is obsidian? The Mohs scale of mineral hardness ranks obsidian at a humble 5, right above fluorite. From sand and cement to even amethyst gemstones, silica richly populates our planet. Silica is one of the most abundant minerals on Earth. Obsidian stones are mainly composed of silicon dioxide – about 70 percent, in fact. Obsidian Specifications and Characteristics While many varieties of obsidian exist, they all share certain characteristics and properties. With tiny gold and silver air bubbles, sheen obsidians are absolutely divine. Sheen obsidians are ethereal stones that look like they contain entire galaxies.

Mahogany obsidians derive their rare colors from iron impurities like hematite during crystal formation.

If you prefer a warmer-colored jewel, mahogany obsidians are sure to keep you cozy with their reddish-brown streaks and spirals. If winter is your favorite season, snowflake obsidians are the perfect stones to include in your gem collection. Snowflake obsidians, as you may have guessed, contain delicate white flecks that resemble snowflakes.

#Black obsidian stone for fish tank full#

Regardless of their differences, both rainbow and fire obsidians are bold stones full of personality and color.ĭo you wish for a winter wonderland all year round? Try turning to snowflake obsidians for some icy magic! The difference? Fire obsidians have thinner layers of magnetite that mimic the iridescence of flames in their appearance. Instead, they resemble rainbow obsidians with their stunning array of colors. Rainbow obsidians are full of brilliant colors thanks to inclusions of an iron-rich mineral called magnetite.ĭespite their namesake, fire obsidians are not fiery orange stones. If you prefer your obsidians with some color, rainbow and fire obsidians may be the stones for you! Overcome with grief, the Apache women shed dark tears that fell and transformed into black obsidians.ĭespite their tragic backstory, apache tears are beautiful stones that symbolize healing and recovery. Rather than facing slaughter, the Apache warriors hurled themselves off a cliff to their deaths. Apache tears are named after a famous 19th-century legend about the battle between the Apache tribe and the U.S. Obsidian VarietiesĪpache tears are round black obsidian stones with smooth and polished surfaces. While black obsidian is the most common form, many other types of obsidian stones exist as well. Technically speaking, obsidian is not a gemstone but rather a variety of natural volcanic glass. A stone this special deserves a thorough look! What is an Obsidian Stone? In this extensive guide, we’ll explore obsidian’s many superb qualities and specifications.

Since ancient times, people have turned to obsidian for its extraordinary healing properties and spiritual symbolism. If you’re on the lookout for a mysterious and breathtaking jewel, look no further than obsidian stones! A gorgeous variety of volcanic glass, obsidian is a quiet part of our everyday world from homeware to jewelry.