Pleochroism means “many coloured”. The “apparent” colour of the gemstone is altered through pseudochromatic coloration. This pseudochromatic coloration is the appearance of “colour” that is not caused by any actual colour in the mineral but from varying optical effects created by spectral dispersion and double refraction.

Pleochroism is observable in plane-polarized light. It is caused by the ability of some minerals (for instance double-refractive minerals such as Alexandrite) to absorb particular wavelengths of light. Because of the selective absorption of certain wavelengths of light, the transmitted light appears coloured and the minerals consequently seem to be a different colour, depending on the direction in which they are looked at (The direction of vibration of the waves that cross them: as light emerges from a doubly refracting transparent stone, the beam is split into two polarized light rays, each vibrating in planes at right angles to each other. If the light beam emerges from a coloured stone, each new refractive indices may undergo a different degree of colour absorption.) The colour depends on the thickness and the chemical and crystallographic nature of the mineral.

 Pleochroic colours are observed and recorded in the mineral data and may be used to identify the particular mineral.

Gana Moonfire







Blue Kyanite


Kyanite is associated with Pisces, Aries, Taurus and Libra. The most well-known and common forms of Kyanite are blue. The word “kyanite” is in fact derived from a Greek word that means “blue”. There are only two stones which never need to be cleansed and Kyanite is one of them as it does not hold negative energy. Citrine is the other. Kyanite is said to be one of the best stones to be used as an attunement stone because its energy is unlimited and because it transmits and amplifies high-frequency energies. For this reason, it is also a great stone for meditation and dream work. Kyanite calms the body, quiets the mind and dissolves emotional, mental or spiritual confusion, thereby releasing anxiety. In addition, this stone also works well for dissolving anger and frustration or when you are experiencing difficulties with meditation. It is actually one of the best stones for meditation, especially if you are easily distracted and find your mind drifting to your current worries. It eases meditation and centers you in preparation. It enhances meditation because as a third-eye chakra stone it can pull very high vibrations through this chakra which are processed as messages from other realms (this also helps with dream recall). Intuitive and psychic thoughts and abilities can be obtained more easily because of Blue Kyanite’s ability to transfer a high vibration. The stone can also be used to promote lucid dreaming, astral travel, tolerance, channeling, spiritual awakening, clear visualization and loyalty. 

Kyanite has several uses for chakra balancing: It is said to align all chakras automatically and immediately – without conscious direction. Because of this, Blue Kyanite is an excellent stone for any type of energy work. Similarly, it can be used to align the astral, ethereal, emotional, intellectual and spiritual “bodies” (layers of the energy field), including the layers of the aura (human energy field). By so doing, a larger and stronger aura is created, which contributes to the better overall health of the physical body. With the conscious intent of the user, it may also be used to open chakras.

Blue Kyanite is especially good for working with the Throat Chakra and enhancing communication.  It helps to speak one’s truth and it is a good stone for public speakers and performers. In group settings, Blue Kyanite can help bridge any gaps in communication and reduce the number of arguments, making it a good crystal to keep in the office or home. 

Blue Kyanite is useful for healing throat and voice ailments, healing in the areas of the muscular system, the brain and the sensory organs. In addition, it helps the glandular function and it is a good stone for epilepsy.  As a calming stone, Kyanite restores Qi (or Ki) to the physical body, and balances yin/yang energies.

Finally, Kyanite forms a bridge between mind and matter and as such it is a powerful stone which may help you reach your hopes, dreams and desires.

Gana Moonfire



Prehnite, another golden green stone, can be used for various purposes. This stone is associated with the archangel Raphael, it is a stone of unconditional love and it helps to achieve the highest good by connecting the will and the heart.

Due to its mineral make-up, the stone works well for divination and prophesy as it helps us to connect and communicate with spirits and other unseen entities through meditation, visualization or out-of-body travel. Moreover it increases our divination abilities and the accuracy of predictions (especially with regards to your own personal growth). Through attunement to divine energy, spiritual growth can be achieved and inner knowledge enhanced in order to prepare for future events. Thus the stone helps to bring about insights, it strengthens your intuition and allows you to accept and recognize the reality and the truth.

As a stone of vision, Prehnite is used in meditation to stimulate the third eye chakra and to achieve higher levels of consciousness. In fact, it is considered the perfect stone for meditation because it also brings balance to the heart chakra, with which it is associated. The whiter the stone, the more it works on the higher chakra.

Prehnite is a powerful dream stone and helps to remember dreams. Furthermore, as a very protective stone, it can protect you on all levels by creating a strong field of energy around you and so enhance the aura. It is a stone which increases and stimulates energy (including our protective fields) and strengthens the life force. Finally, the stone also works well with regards to the mind and intelligence.

Concerning its physical healing properties, Prehnite is used to find the root cause of an illness. It detoxifies the body, stimulates renewal processes that take place in the body and it is helpful in the healing of gout, the kidneys and the bladder, anemia and other blood-related disorders, the thymus gland (because of its effect on the heart chakra), the shoulders, the chest and the lungs. Because of its calming property, the stone is also often used for those who have any type of hyperactivity, such as ADDor ADHD, and it helps in alleviating fears, phobias and nightmares.

In Feng Shui, Prehnite (as it enables us to ‘let go’) is used as a decluttering stone anywhere balance or cleansing is needed. In the centre area, it can be employed for grounding, balance, protection and good health as well as spirituality.

The stone should be held under lukewarm running water in order to decharge it and it should be left among clear crystal quartz and rose quartz to be charged again.

As we have seen, Prehnite is a stone with many qualities whether we refer to the physical, the emotional or the spiritual level.

Gana Moonfire


De positieve energie van helende stenen – Gisela Schreiber

The 7 chakras


This is some research I did for one of my crystal course assignments. I will be sharing more information I researched. These posts are not meant to be exhaustive!

The seven chakras

The seven chakras, or ‘wheels’ in Sanskrit, are spiralling cones of energy situated in different points of the body. The chakras are linked to colour, sound and light and create an energy flow from one part of the body to another.  Another frequency of the energy and conscious is obtained in a spiralling fashion. Crystals can be used to heal by balancing the chakras and bringing them into alignment.

The first chakra is called the base or the root chakra, and is located at the base of the spine. It includes the only cells in the body (8 primary cells) that never change and that contain the knowledge of creation. As such the root chakra serves for connecting us to the physical world and is associated with grounding, stillness, the earth and our survival instincts. In addition, it acts like an anchor in our lives: it is the basis for any kind of security, whether that be material security, moral, health, physiological or family-related security. This chakra resonated with the colour red.

The sacral chakra is the second chakra and is located right beneath the navel. When this chakra is awakened, our creativity, fertility and sexual capacity are heightened.  It also teaches us to find balance in our lives and to deal with control issues. Emotional problems or sexual guilt arises when there is a blockage regarding this chakra. Balancing this chakra associated with the colour orange or red-orange allows you to express your emotions, to accept change and to let go of anxiety and emotional pain.

The solar plexus chakra or the power chakra is associated with the colour yellow and with our personal power, autonomy, fear and metabolism. In short: it has to do with our self-esteem. A blockage generally translates into feelings of anger or a tendency to victimize. On the other hand, when this chakra vibrates at its optimum level, it produces a healthy self-image, spontaneity, energy, effectiveness and a sense of personal power.

Our heart chakra rules how we give and receive love. Therefore this chakra plays a very important role in our happiness and health. Moreover, it is also related to the balance of opposites: mind and body, ying and yang, the upper and lower chakras. A blockage can manifest itself as a lack of compassion or can bring about heart problems and immune system problems. In order to have a healthy heart chakra, we must also learn to love ourselves. The colours for this chakra are green and pink.

The throat chakra is the fifth chakra and, as its name indicates, it is situated in the throat and neck region. It’s associated with creativity and communication. Consequently, the challenge that this chakra poses is to express ourselves as honestly as possible. So when we lie, or when we fail to communicate our emotions properly, there is a blockage concerning this chakra. The throat chakra, associated with the colour sky blue, is our will centre and it is also the centre through which we receive information. 

The sixth chakra, also referred to as the third eye or the mind centre, is located in the centre of the forehead. Through this chakra wisdom is obtained: open-mindedness, the ability to learn from our experiences and put them in perspective and the ability to separate reality from fantasy and illusions. We also receive visual images through this chakra, hence its association with clairvoyance and psychic abilities. Finally, it is also associated with imagination and dreaming and with the colour indigo.

The 7th chakra is the highest chakra and goes by the name of the crown chakra or the Soulstar. This very spiritual chakra can be experienced as a pressure on the top of the head. It serves as a source from which we draw our intuition, it is a tool to connect with our spiritual nature and receive messages from higher realms. Sometimes this chakra is portrayed as a lotus flower opening up to absorb the life force from the universe (after which the life force is sent into the lower six chakras) and to awaken the individual spiritually. In conclusion, this chakra is associated with the colours white, purple and violet and with understanding, bliss, the divine and spirituality.

Gana Moonfire


Chakra Workout by Anita (

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