Icelandic Spar
The Viking Sun-Finder's Lens
Also known as: Optical Calcite, Viking Stone, Iceland Crystal, Silfurberg
About the stone
Iceland spar, also called Iceland crystal, optical calcite, and silfurberg (“silver rock” in Icelandic), is exceptionally transparent calcite famous for double refraction, which makes objects viewed through it appear doubled. Its exact discovery date is unknown, but material from Helgustaðir in eastern Iceland reached European scientists in 1668, and Erasmus Bartholin documented its unusual optical properties in 1669, helping lay the foundations of modern optics. Other sources include Mexico, China, Siberia, and the southwestern United States. Its best-known lore connects it with the sólarsteinn, or “sunstone,” mentioned in medieval Icelandic accounts: researchers have proposed that Vikings used such crystals to locate the hidden Sun through polarized skyligh
Mineral data
- Chemical composition: Icelandic Spar is a transparent, rhombic form of calcite, a calcium carbonate mineral, CaCO3. Its perfect cleavage and strong double refraction make it the classic optical calcite.
- Hardness: About 3 on the Mohs scale.
- Color: Colorless and water-clear, sometimes with a faint yellow or pale tint and internal rainbow flashes.
Metaphysical data
Icelandic Spar, recognized for its clarity and its famous double image, has been utilized in metaphysical practices to sharpen insight, amplify intention and align the whole energy body.
Protective Energy
- Icelandic Spar is believed to clear unwanted or unhelpful attachments and entities from the energy field, leaving the space around you clean and clear.
- Its steady prismatic light is thought to protect focus and intention, helping one stay oriented when emotions or outside influences feel cloudy.
Emotional Healing
- It is often said to bring clarity and insight, helping one see a situation from more than one angle, much like the double image seen through the crystal.
- This clearer perspective is thought to ease inner confusion and support a calmer, more confident approach to choices.
Harmonizing Energy Centers
- Icelandic Spar is associated with the alignment of all the chakras, using its prismatic light to unite and balance the whole energy system.
- It is considered a great stone for meditation, where it is thought to open a clear channel from the base to the crown.
Zodiac Associations
- Icelandic Spar is connected with the zodiac signs Cancer and Aquarius, pairing emotional intuition with a far-seeing, inventive mind.
- It is said to vibrate to the number 3 as optical calcite and to the number 6 as Icelandic spar, numbers of creativity and of harmony.
Spiritual Growth
- Called the Viking Stone, it is linked to the tale that Vikings used it to find the sun for sea navigation when it was cloudy, and so it symbolizes finding one's direction.
- Practitioners use it for intention amplification, manifestation and intention programming, and believe it speeds the growth of the self and unlocks psychic intuition.
Physical Healing
- This information is for general interest and is not a substitute for professional medical advice, and the stone does not treat any condition.
- Traditional lore connects it with eye health and clear vision, a symbolic association that reflects its optical nature, and it should never replace regular eye care.
Care and handling
Icelandic Spar is soft, about 3 on the Mohs scale, and it cleaves along flat planes, so it can crack, chip or split if dropped or knocked. Clean it with a dry or slightly damp soft cloth, avoid soaking, and keep it away from vinegar, lemon, acidic cleaners and harsh chemicals, which etch calcium carbonate. Avoid heat and sudden temperature changes, and store it padded and apart from harder stones so its clear faces stay unscratched.
Individual experiences with Icelandic Spar vary, and its effects are personal. Hold it mindfully, look through it toward a light, and let its clear double image remind you that every situation can be seen in more than one way.