Physical Features
| Chemical | Ca2Al2Si3O10(OH)2 |
| Color | Oily yellowish-(greenish) |
| Crystal Habit | Radiating fibrous aggregate |
| Crystal System | Orthorhombic |
| Cleavage | Good |
| Fracture | Uneven |
| Hardness | 6 - 6.5 Mohs scale |
| Luster | Vitreous, Pearly, Waxy |
| Streak | White |
| Transparency | Translucent |
| Specific gravity | 2.80 - 2.95 |
| Refractive index | 1.611 - 1.673 |
| Birefringence | 0.021 - 0.039 |
| Chatoyancy | Yes |
Prehnite ensures your spiritual growth. The energy within this wonderful stone also increases your capacity to predict things correctly. And in todays uncertain world scenario, this can come as a real gift in front of you. It works interestingly by connecting your will power with the heart, and eventually develops the power of your intuition to an extremely higher level. Therefore, if you have the habit to buy gemstones online, then prehnite must always feature in your list.
You can usually associate prehnite with the color light green. Also, it usually includes a yellowish tinge or a soft whitish hue. The deep green version is not common. Prehnite as a gemstone will often appear in front of you as velvety or cloudy, and very rarely as fully transparent. But most importantly, prehnite as a gemstone is always natural and never heated and artificially enhanced. This stone can be located in New Jersey, China, Australia, Namibia, South Africa, and Mali.
Prehnite will also help you to connect with the angels, and importantly with the Archangel Raphael. So, it has the ability to give you an out of the world experience. Moreover, this extraordinary gemstone can establish connection with the extra-terrestrial beings. If you have already developed some form of psychic power, then this gemstone will further help you in your effort to become even more accurate. So, without wasting anytime, buy prehnite online to give your dreams a new direction and meaning.
Prehnite pendants are quite popular. Therefore, you can consider buying them for yourself, your friends as well as family members. On the other hand, you can also consider prehnite bracelets and prehnite necklaces. In comparison to some other gemstones they are not that expensive. Finally, this form of light green colored jewelry is not only artistic, but visually pleasing at the same time.
Prehnite in Astrology
Ruling planetMercury
Zodiac signsGemini and Virgo
ChakraHeart and Solar Plexus
Day to wearWednesday
FingerLittle finger
MetalGold or silver
Prehnite is a pale green stone known as the 'stone of prophecy'.
In Vedic astrology, Prehnite is linked with Mercury, the planet of intelligence, speech, learning, trade and communication. The main gem of Mercury is Emerald (Panna); Prehnite is a gentler, more affordable stone that people choose to support the same planet.
Benefits of Wearing Prehnite
- Calms worry
- Supports intuition and preparedness
- Encourages inner peace
- Strengthens the positive results of Mercury: intelligence, speech, learning, trade and communication
Crystal and gemstone benefits are traditional beliefs and are not a substitute for medical or professional advice.
How to Wear Prehnite
- Weight: there is no strict rule; a stone of 5 to 7 carats in a ring, or any comfortable size in a pendant or bracelet, is common.
- Metal and finger: set it in gold or silver and wear it on the little finger of your working hand.
- Day and time: wear it for the first time on a Wednesday, in the morning, preferably during the Shukla Paksha (waxing Moon).
- Purify: dip the ring or pendant in raw milk mixed with Ganga jal (or clean water) for a few minutes, then rinse it.
- Energise: light a lamp, face east and chant the Mercury mantra 108 times: Om Braam Breem Braum Sah Budhaya Namah.
Who Should Wear Prehnite?
- People whose Moon sign or Ascendant is Gemini and Virgo, ruled by Mercury.
- Anyone running the Mercury Mahadasha or Antardasha, when Mercury is a helpful planet in the chart.
- People who want more of Mercury's qualities: intelligence, speech, learning, trade and communication.
Use care when combining stones: stones of Mercury, Venus, Saturn, Rahu and Ketu work well together, but are usually not combined with stones of the Sun, Moon or Mars.
Care and Cleaning
Prehnite has medium hardness (about 6 on the Mohs scale). It is fine for rings worn with care. Clean it with lukewarm water, mild soap and a soft brush, and take it off for heavy work, cleaning and swimming. Many people also re-energise their stone once a month by placing it in moonlight or chanting the planet's mantra.
Tips for Buying Prehnite
- Choose a natural, untreated stone; heated, dyed, glass-filled or synthetic stones are not considered astrologically effective.
- Ask for a lab certificate from a recognised gem laboratory.
- Good colour, clarity and a clean cut matter more than size.
- Buy from a trusted seller who explains the origin and any treatment of the stone.
Common Questions
Can I wear Prehnite without a horoscope check?
Prehnite is a gentle stone and is generally safe to wear. For the best results, check that Mercury is a helpful planet in your horoscope.
Which finger should I wear Prehnite on?
Traditionally on the little finger, set in gold or silver, first worn on a Wednesday.
How long does Prehnite take to show results?
Many people notice a difference within a few weeks, though astrologers say the full effect builds over a few months of regular wear.