Calcite is the most stable polymorph of calcium carbonate, the other polymorphs are the minerals Aragonite and Vaterite. Calcite often contains impurities of either iron, magnesium, manganese, and occasionally with zinc and cobalt. Calcite has many varieties of crystal and massive shape and form, and occurs in all colours.

Calcite forms chalk, limestone and marble, stalagmites, stalactites, flowstone and has variety names like Iceland Spar, Dogtooth, Stella Beam, Cobaltocalcite, Optical Calcite and Onyx Marble. Calcite exhibits properties of double refraction, fluorescence, phosphorescence and thermoluminescence.

Iceland Spar Calcite is an optical quality, clear Calcite also called Iceland Spar, Optical Calcite works to clear and activate all of the chakras, improving the flow of energy throughout the subtle bodies. Use Optical Calcite to clear away negative energy, and to amplify positive energy, and specifically, to help remove fear-based emotions, bringing more optimism into one's experience.

Optical Calcite is helpful for those in need of clarity, and those who are learning about Law of Attraction and manifestation. Like Clear Quartz, Optical Calcite can amplify intent, and can be programmed for a specific purpose. Optical Calcite can help one to see past errors and ways to correct them for benefit in the future. By clearing away stagnant energy blockages, Optical Calcite can bring higher energies into the chakras, encouraging spiritual development.

Physically, Optical Calcite can be used to relieve migraines; helps with eye problems. Used with other crystals, Optical Calcite will often double the healing effects.

You can read a newspaper through Optical Clear Calcite! You’re not seeing double when you look through them, though; when light passes through this transparent Calcite it bends two ways, making images appear double. Optical Calcite naturally form parallelogram shapes, making them excellent pieces for energy grids.

Physical and Metaphysical Properties for

PROPERTIES FOR STONE: Optical Calcite

PRIMARY CHAKRA: Crown-Chakra

CRYSTAL SYSTEM: Trigonal-Crystal-System

CHEMICAL COMPOSITION: CaCO3 Calcium Carbonate

ASTROLOGICAL SIGN: Leo-(July-23-to-August-22)

NUMERICAL VIBRATION: Number-3

HARDNESS: 2.5-to-3-Hardness

COLOR: Clear

LOCATION: Brazil, Peru

RARITY: Common

PRONUNCIATION: op-TI-cal KAL-sahyt

MINERAL CLASS: Carbonates

ISSUES AND AILMENTS (PHYSICAL): Blood-Clotting, Eye-Disorders-and-Infections, Headache-and-Migraine-Relief, Immune-System-Strengthening-and-Support, Joint-Pain-and-Health, Skin-Infections-and-Irritations, Ulcers

ISSUES AND AILMENTS (EMOTIONAL): Calming, Clarity, Dispel-or-Release-Negativity, Hope, Laziness, Memory, Motivation, Positivity-and-Optimism, Reducing-Stress-or-Tension

ISSUES AND AILMENTS (SPIRITUAL): Amplifying, Divine-Love/Connection/Guidance, Enhancing-Psychic-Abilities

EXTRA GRADE: Ice water clear, translucent, <10% matrix

A GRADE: Very clear, partially translucent, 10% - 25% matrix

B GRADE: Cloudy, opaque and/or >25% matrix

AFFIRMATION: I see only positivity.

QUESTION: What do you find helpful for removing negative energy in your life?

REFERENCE 1: http://www.healingcrystals.com/Crystals_and_Color_Articles_5744.html

REFERENCE 2: http://www.healingcrystals.com/Let_s_go_Digging____A_Guide_for_Rockhounders_Articles_1359.html