1 Igneous rocks that form too quickly for crystals to form have what is called a glassy texture. 2  Obsidian is the only glassy igneous rock, and can be identified by its dark color. 3  This looks like dark black glass. An example of an intrusive rock is granite. 2  When magma is above the earth's crust, it is known as lava. 3  Extrusive rocks form through very fast cooling of lava above the Earth's surface. 4  Extrusive rocks have very small, almost microscopic crystals.
A bittersweet, mild spice, marjoram is common in German and Polish cooking, where it is an important part of the spice mixture for sausage. It is also found in the popular English dish of roast goose with chestnut stuffing.
It is also widely referred to as Oregano. Today, it is commonly found in the Mediterranean region or grown in gardens around the world. In its varied forms of: Marjoram essential oil, fresh or dried Marjoram leaves, or Marjoram powder (ground up Marjoram), it has many uses. As a culinary additive, it is commonly used to flavor soups, sauces, salads, and meat dishes. Cosmetically, Marjoram is used in skin cream, body lotion, shaving gel, and bath soaps. Whether used as an essential oil, powder, fresh leaves, or dried leaves, Marjoram has many uses with numerous health benefits.