Dark Blue Mineral Stone
The stones shown here were produced from material mined in mozambique africa.
Dark blue mineral stone. It can be polished to a high luster and is one of just a few blue minerals that are hard enough to be used as a gemstone. Its unusual and distinct blue color is owed to the mineral inclusions of dumortierite. Apatite is commonly found and is used for fertilizer and pigments. It is typically opaque and used to produce cabochons beads and tumbled stones.
It is often blue green to violet although it has a wide color range from clear to brown befitting its wide range in chemical composition. Blue gemstones ideal for everyday wear. Tiffany could have sold the material under the mineralogical name of blue zoisite but they thought the name tanzanite would stimulate customer interest and be easier to market. It is used to clear confusion apathy and negativity.
It was one of the first stones to be used in jewelry for which it is still popular today. Tanzanite is a trade name that was first used by tiffany and company for gem quality specimens of the mineral zoisite with a blue color. An important source of phosphorus apatite is used in matches. Its color can range from very light to dark blue and in some rare cases reddish brown.
Apatite is a phosphate mineral found in a variety of intense colors including purple green blue white and red. Lapis lazuli is a dark blue stone containing gold pyrite flecks. In ancient times lapis lazuli was especially popular in areas that bordered the mediterranean sea such as greece rome mesopotamia and egypt. Besides it also has a cleansing influence on the aura.
Dumortierite is a dark blue to dark greenish blue mineral found in metamorphic rocks. Gem quality apatite can be found in the united states. There are also much lighter or softer blue stones with the most common of the lighter stones being topaz and aquamarine. Light or dark blue blue apatite promotes independence and ambitiousness which is why it is known as a motivational stone.
Dumortierite is a bright blue dark blue or greenish blue mineral that is occasionally found in metamorphic rocks. The most common blue stone is a sapphire however the deep blue color can also be found in other gemstones such as kyanite lapis lazuli and zircon. Aventurine a variety of quartz speckled with green mica.