A breach is material if, as a result of the breaching partyâs failure to perform some aspect of the contract, the other party receives something substantially different from what the contract specified.
In mineralogy, crystal habit is the characteristic external shape of an individual crystal or groups of crystals. A single crystal's habit is a description of its general shape and its crystallographic forms, plus how well developed each are.Recognizing the habit may help in identifying a mineral.or example, minerals used for asbestos insulation often grow in a fibrous habit, a mass of very fine fibers. The terms used by mineralogists to report crystal habits describe the typical appearance of an ideal mineral.
Examples of gemstones formed in igneous rocks include tourmaline, aquamarine, topaz, kunzite, and feldspars like sunstone and amazonite. Many other gemstones can be found within igneous rock formations but they are not a direct result of the formation of igneous rocks. They are called secondary deposits because they form after the primary deposit.