Diopside

Diopside is a calcium magnesium silicate. Its color range is white, light green, dark green, blue/green, yellow/brown, and greenish/black. It forms complete solid solution series with hedenbergite and augite, and partial solid solutions with orthopyroxene and pigeonite. It forms variably colored, but typically dull green crystals in the monoclinic prismatic class. It can also be called Chrome Diopside.

Diopside Metaphysical Properties

The frequency of Diopside connects to the Earth star, base, and heart chakras. It opens the Earth’s star, base, and heart chakras so that the “Light” energy of one’s heart center can be grounded in the “heart” of Mother Earth, the magnetic core of the Earth. This establishes a connection between one’s consciousness and the consciousness of Mother Earth and those who dwell on her, including animals, plants, and minerals. Diopside opens one’s consciousness so that one may more easily communicate with animals and Nature’s spirits.

Green Diopside has a soothing energy that enables one to become calm and centered, helping one relax and easing stress, anxiety, and tension. Green Diopside activates the heart chakra helping with one’s emotional wellbeing so that one may be open to freely receive and give love.

The energy of green Diopside helps with general physical healing especially resulting from physical trauma such as surgery. It helps with issues relating to the physical heart and lungs where regeneration of tissue aids recovery.

Dark green/black Diopside connects to the Earth star and base chakras grounding “Light” energy into one’s physical vehicle and then via the Earth star to the magnetic core of the Earth. It helps one to connect to “Earth energies” and helps to purify one’s energy fields.

Associated Chakras

  • Earth Star
  • Base Root
  • Heart

Physical Ailment

  • Asthma
  • Emphysema
  • Healing – General
  • Heart Attack
  • Physical Trauma

Emotional Issue

  • Anxiety
  • Stress
  • Tension

Spiritual Connection

  • Communicating with Animals
  • Connection to Mother Earth
  • Connection to Natures Spirits

Diopside Formation

Diopside is found in ultramafic (kimberlite and peridotite) igneous rocks, and diopside-rich augite is common in mafic rocks, such as olivine basalt and andesite. Diopside is also found in a variety of metamorphic rocks, such as in contact metamorphosed skarns developed from high silica dolomites. It is an important mineral in the Earth’s mantle and is common in peridotite xenoliths erupted in kimberlite and alkali basalt.

Diopside Mineralogy and occurrence

Diopside is a precursor of chrysotile (white asbestos) by hydrothermal alteration and magmatic differentiation; it can react with hydrous solutions of magnesium and chlorine to yield chrysotile by heating at 600 °C for three days. Some vermiculite deposits, most notably those in Libby, Montana, are contaminated with chrysotile (as well as other forms of asbestos) that formed from diopside.

At relatively high temperatures, there is a miscibility gap between diopside and pigeonite, and at lower temperatures, between diopside and orthopyroxene. The calcium/(calcium+magnesium+iron) ratio in diopside that formed with one of these other two pyroxenes is particularly sensitive to temperature above 900 °C, and compositions of diopside in peridotite xenoliths have been important in reconstructions of temperatures in the Earth’s mantle.

Chrome diopside is a common constituent of peridotite xenoliths, and dispersed grains are found near kimberlite pipes, and as such are a prospecting indicator for diamonds. Occurrences are reported in Canada, South Africa, Russia, Brazil, and a wide variety of other locations.

In the US, chromian diopside localities are described in the serpentinite belt in northern California, in kimberlite in the Colorado-Wyoming State Line district, in kimberlite in the Iron Mountain district, Wyoming, in lamprophyre at Cedar Mountain in Wyoming, and in numerous anthills and outcrops of the Tertiary Bishop Conglomerate in the Green River Basin of Wyoming. Much chromian diopside from the Green River Basin localities and several of the State Line Kimberlites have been gem in character.

Diopside gemstone

Gemstone quality diopside is found in two forms: the black star diopside and the chrome diopside (which includes chromium, giving it a rich green color). At 5.5-6.5 on the Mohs scale, chrome diopside is relatively soft to scratch. Due to the deep green color of the gem, they are sometimes referred to as Siberian emeralds, though they are on a mineralogical level completely unrelated, emerald being a precious stone and diopside being a semi-precious stone.

Violane is a manganese-rich variety of diopside, violet to light blue in color.

Diopside history

Diopside derives its name from the Greek dis, “twice”, and òpsè, “face” in reference to the two ways of orienting the vertical prism.

Diopside was discovered and first described about 1800, by Brazilian naturalist Jose Bonifacio de Andrada e Silva.

Diopside uses

Diopside based ceramics and glass-ceramics have potential applications in various technological areas. A diopside based glass-ceramic named ‘silceram’ was produced by scientists from Imperial College, UK during the 1980s from blast furnace slag and other waste products. They also produced glass-ceramic is a potential structural material. Similarly, diopside based ceramics and glass-ceramics have potential applications in the field of biomaterials, nuclear waste immobilization and sealing materials in solid oxide fuel cells.

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