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Optical Calcite

Everything you need to know about Optical Calcite.


Optical Calcite can be found in Brazil, Iceland, Madagascar, Mexico, USA and other occurrences worldwide.

Its' chemical formula is Calcium Carbonate (CaCO3) and it is of the Hexagonal crystal system. Optical Calcite ranks 3 on the Moh’s scale of hardness. 

Optical Calcite is a colourless and transparent form of Calcite and often full of beautiful rainbows. Also known as Clear Calcite and Iceland Spar.


The calcite is readily identified by its rhombohedral cleavages. The non-90° angles between the cleavage planes will tell you that it's real calcite. Looks can be deceiving, and many minerals look similar to calcite, and it also comes in so many aesthetics.

The main difference between real and fake calcite is that the real one occurs in the rhombohedral form of crystal, has double refraction, and reacts with hydrochloric acid with the formation of gas bubbles. Fake calcites are usually harder than real ones and cannot be scratched by a knife.

Optical Calcite best combines with:

  • Selenite, Muscovite, Blue Kyanite, Rhodizite or Quartz: To boost your telepathic gifts.
  • Angelite or Blue Topaz: For a burst of creative inspiration.
  • Lapis Lazuli, Celestite, Sodalite or Blue Sapphire: If you want to develop your psychic gifts.
  • Element: Fire, Wind
  • Planet: Moon
  • Zodiac: Cancer, Aquarius 
  • Chakras: Third Eye, Crown



Calcite was named as a mineral by Gaius Plinius Secundus (Pliny the Elder) in 79 AD from calx, the Latin for lime. Burning lime (as in limestone – a variety of calcite) and mixing the resulting powder with sand and water creates cement, believed to have first been discovered by the Macedonians, but put to use on an industrial scale by the Romans. In the form of marble, calcite has been use a building and carving material for thousands of years. Virtually all Ancient Egyptian so-called ‘alabaster’ carvings are actually made of yellow calcite – this includes the Sphinx (alabaster is a variety of gypsum). In spite of its history, there are few early references to the medicinal use of calcite, possibly because it wasn’t considered a gemstone. Hildegard von Bingen (12th century) describes a calcite poultice to kill worms which eat the body (the type or worm isn’t clear, but from the description she is most likely referring to maggots in a wound, and not intestinal parasites).

Norse legends speak of a “sunstone” which was held up to the sky in order to see the sun on an overcast day, allowing the Vikings to navigate in open sea. Archaeologists now believe this was clear optical calcite, as the double refraction does help to locate the sun visually through clouds. The most notable deposit of optical calcite was at Eskifjord, Iceland – hence the nickname “Iceland spar”.



Optical Calcite's double refraction is believed to amplify energy and intensify the power of magic and ritual work. It also facilitates ‘clear vision’, which can be literal (helping to improve eyesight), mental (as in seeing our way through a problem and stimulating creative thought), or psychic (enhancing clairvoyant abilities). In addition, it can aid multidimensional practice and meditation, allowing discernment between the dimensions. 

Optical Calcite is helpful for those in need of clarity, and those who are learning about Law of Attraction and manifestation.



Because optical calcite is mainly composed of calcium, it can help bones absorb calcium to enhance calcium while preventing calcification. This ability makes it an important crystal of young children's growth.

It relieves skin and intestinal discomfort and supports physical processes that help blood clots and heal wounded tissue. The crystals also relieve tension that may cause migraines.

It strengthens the immune system and works quickly after making a lix. The lix agent can be used to relieve skin conditions such as warts, ulcers and wounds. Optical calcite is also excellent in curing eye diseases and improving vision.



Optical Calcite joins your emotions with your intellect, which results in emotional intelligence. It supports a positive outlook even after you have lost your motivation or are edging close to despair. Because it boosts your energy levels, it helps you overcome laziness.

It can also calm your mind, enhance your ability to recognise, and teach you how to analyse the situation. It can help you understand what type of information is important and what is not. It can help you remember important information. Therefore, it is an excellent crystallization of students and other people whose work involves learning. 

Optical Calcite is also helpful when reducing emotional stress. It removes stress and replaces it with the long-awaited tranquillity. It stabilises your emotions and allows you to trust yourself and your ability to overcome setbacks.


We source our optical calcite material from Mexico, our supplier travels to Mexico from the United Kingdom to meet with the local mine owners and suppliers. Although we have a middle man to this mineral all ethical sourcing and fair trade checks are carried out by our middle man to ensure safety protocols and genuine material. 

None of our suppliers work with children under age. It is illegal in most countries now to mine with children, the businesses we work with comply and are registered under the Ethical sourcing conduct.

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