Mineralape
Triangulite
David Hospital·CC BY-SA 4.0·Wikimedia

Triangulite

Al3(UO2)4(PO4)4(OH)5·5H2O
heart IMA approved

Triangulite is a rare phosphate mineral with the chemical formula aluminum uranyl phosphate hydroxide hydrate. It belongs to the phosphate mineral class and is classified in the Strunz system as 8.EB.45 and in the Dana system as 40.2a.34.1. This mineral is characterized by its monoclinic crystal system and typically exhibits a vitreous luster. It is usually yellow to green in color and has a relatively low hardness on the Mohs scale, making it a delicate mineral. Triangulite has a low to moderate density and is often found in association with uranium-bearing minerals.

Composition

Composizione (% in peso)
U
O
P
  • UUranium55.5%
  • OOxygen31.7%
  • PPhosphorus7.2%
  • AlAluminium4.7%
  • HHydrogen0.9%

Overview

Triangulite is a rare phosphate mineral with the chemical formula aluminum uranyl phosphate hydroxide hydrate. It belongs to the phosphate mineral class and is classified in the Strunz system as 8.EB.45 and in the Dana system as 40.2a.34.1. This mineral is characterized by its monoclinic crystal system and typically exhibits a vitreous luster. It is usually yellow to green in color and has a relatively low hardness on the Mohs scale, making it a delicate mineral. Triangulite has a low to moderate density and is often found in association with uranium-bearing minerals.

How to recognize it

Triangulite can be identified by its low hardness, typically below 4 on the Mohs scale, and its yellow to green color. It has a vitreous luster and a low to moderate density. The streak is likely white or pale. Due to its rarity and similar appearance to other phosphate minerals, it may be confused with other uranium-bearing species, requiring chemical analysis for accurate identification.

Spiritual meaning and crystal therapy

Mantra
I am balanced and at peace.

Spiritual meaning

Triangulite is a rare and unique stone, symbolizing harmony and balance in spiritual practices. It is believed to support emotional clarity and a deeper connection to one's inner truth.

Esoteric properties

Triangulite is said to promote emotional healing and spiritual growth. It is associated with calming the mind and enhancing one's intuitive abilities.

Associated chakra

Triangulite is traditionally linked to the heart chakra due to its calming and balancing properties. It is believed to help open the heart to love and compassion.

Crystal therapy use

In crystal therapy, triangulite is often used in meditation or placed near the heart during healing sessions to support emotional well-being and balance.

Information on crystal therapy is provided for cultural and traditional purposes only. It does not replace medical advice or treatment. Always consult a doctor for health issues.

Affirmations

Positive first-person sentences to repeat mentally or aloud while holding the crystal, during meditation or at the start of the day. They help focus intention and attune to the energy traditionally attributed to the stone.

  • I am open to love and compassion.
  • I trust my inner truth.
  • I release emotional blockages with ease.

Cleansing and recharging

Pulizia & Ricarica

To cleanse triangulite, place it under moonlight or use sound bowl vibrations. Avoid salt, water, or direct sunlight, as these may damage the stone.

Guided meditation

Sit comfortably, hold triangulite in your hands, and take deep, steady breaths. Focus on your heart center and visualize a warm light expanding with each breath.

Body placement

Posizionamento sul corpo

Chakra: heart

Place triangulite over the heart chakra during therapy lay-down to support emotional healing and balance.

  • Corona
  • Terzo occhio
  • Gola
  • Cuore
  • Plesso solare
  • Sacrale
  • Radice

Feng Shui

In feng shui, triangulite is best placed in the southeast sector for wealth and abundance or in the southwest for love and relationships, promoting harmony and balance.

Pairings with other crystals

Triangulite pairs well with rose quartz to enhance heart-centered healing and with amethyst to deepen spiritual insight and calm the mind.

Crystal bath

Not recommended for direct water immersion — instead place the stone NEXT to the bathtub or use indirect elixir method.

Secondary chakras

Frequently asked questions

Triangulite is considered rare due to its specific chemical composition and limited known occurrences.