Prehnite
Presentation :
Chemical characteristics:
- CaAl2[Si3O10] (OH)2
- calcium alumino-silicate.
Physical characteristics :
- Main color: Green.
- Other colors: brown, colorless, yellow.
- Line color: white.
- Glow : glassy, pearly.
- Hardness : 6.0 to 6.5
- Density : 2.81 to 2.95
- Cleavage: Good
- Breakage: irregular.
Optical properties :
- Transparency: translucent.
- Inclusions: epidote.
Physical virtues:
- Helps balance and heal the circulatory and lymphatic system.
- Useful for calming urinary infections.
- Activates the adrenal glands.
- Stimulates corticosteroid production.
- Useful for restoring energy to the kidneys.
- Promotes the strengthening and constitution of bones.
- Suitable for growing children and elderly people with weakened bones.
- Stimulates metabolism and the elimination of fats in the body, very useful for promoting weight loss.
- Gives good results in the treatment of acne.
- Helps protect therapists from the patient's ''emanations''.
- It provides relief in cases of asthma.
- Promotes digestion and fights against gastric hyperacidity.
- Recommended for those who suffer from sciatica, lumbago and abdominal pain.
- It relieves problems of gout, anemia, and kidney problems.
- Useful for shoulder problems and chest pain.
Psychological, emotional and mental virtues:
- Allows you to put your ideas in order and to have clear thoughts.
- Useful in psychiatric disorders and hard drug dependence disorders.
- Promotes the healing of certain psychopathologies.
- Acts as an "emotional first aider", helping us to immediately stop identifying with emotional wounds and preventing small sorrows from turning into insurmountable difficulties.
- Soothes agitation and nervousness, very useful in cases of hyperactivity.
- Calms hyperactive children.
- Helps us live in the present moment, and fight against our fears and phobias.
- Develops joy of living, vitality, optimism and communication.
- Links the heart with the will, and not with the mind of the ego, our actions are thus tinged with peace and our desires are aligned with the higher good for each situation.
- Calming and soothing during tense situations, it helps to face problems with serenity.
- Allows you to remain lucid and overcome your nervousness.
- Structuring, it gives a sense of order and storage.
- Stimulates the mind.
- Stone very useful to careless people, who lack courage and perseverance.
- Structuring it is therefore of great help in achieving one's goal(s).
- Soothes nightmares and deep fears.
- Helps remove extreme anxiety which physically results in various illnesses.
Spiritual virtues:
- Forms an auric shield around its wearer.
- Ideal for meditation and extra-sensory experiences.
- Values spiritual growth.
- Promotes harmony with nature and elemental forces
- Brings patience and helps differentiate between empathy and compassion.
Chakra: 
- 4th Chakra, Master Heart.
Deposits:
- It is found in France (Le Bourg-d'Oisans, in Isère), in South Africa, in Australia, in China, in India (Poona), in Scotland, in the United States, in China, in Mali associated with 'epidote.
