Mineralape
Threadgoldite
Leon Hupperichs·CC BY-SA 3.0·Wikimedia

Threadgoldite

Al(UO2)2(PO4)2(OH)·8H2O
IMA approved

Threadgoldite is a rare hydrated uranium aluminum phosphate mineral with the chemical formula Al(UO2)2(PO4)2(OH)·8H2O. It belongs to the phosphate mineral class and is classified under the Strunz system as 8.EB.20 and under the Dana system as 42.11.13.3. This mineral typically exhibits a monoclinic crystal system. It is known for its yellow to greenish-yellow color, a vitreous to pearly luster, and a relatively low hardness of approximately 2.5 on the Mohs scale. With a specific gravity around 2.8, it is a soft and lightweight mineral, commonly found in uranium-rich environments.

Composition

Composizione (% in peso)
U
O
P
  • UUranium51.9%
  • OOxygen36.6%
  • PPhosphorus6.7%
  • AlAluminium2.9%
  • HHydrogen1.9%

Overview

Threadgoldite is a rare hydrated uranium aluminum phosphate mineral with the chemical formula Al(UO2)2(PO4)2(OH)·8H2O. It belongs to the phosphate mineral class and is classified under the Strunz system as 8.EB.20 and under the Dana system as 42.11.13.3. This mineral typically exhibits a monoclinic crystal system. It is known for its yellow to greenish-yellow color, a vitreous to pearly luster, and a relatively low hardness of approximately 2.5 on the Mohs scale. With a specific gravity around 2.8, it is a soft and lightweight mineral, commonly found in uranium-rich environments.

How to recognize it

Threadgoldite can be identified by its low hardness of approximately 2.5 on the Mohs scale, yellow to greenish-yellow color, and pearly to vitreous luster. It has a specific gravity of about 2.8, which is relatively light for a uranium-bearing mineral. A streak test typically reveals a white to pale yellow streak. Due to its softness and unique chemical composition, it is easily distinguishable from other uranium or phosphate minerals.

Spiritual meaning and crystal therapy

Mantra
I am connected to higher wisdom

Spiritual meaning

Threadgoldite is a rare and delicate stone, symbolizing inner transformation and spiritual awakening. It is believed to help one connect with higher wisdom and the unseen forces of the universe.

Esoteric properties

Threadgoldite is said to enhance spiritual insight, support inner transformation, and encourage connection with higher realms. It is associated with deep contemplation and emotional healing.

Associated chakra

Threadgoldite is traditionally linked with the crown chakra due to its ethereal appearance and is believed to support spiritual connection and higher consciousness.

Crystal therapy use

Used in meditation and spiritual layouts, threadgoldite is often placed on the crown chakra or near the altar to enhance spiritual awareness and intuitive guidance.

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 open to higher wisdom.
  • I embrace transformation with grace.
  • I am connected to the divine.

Cleansing and recharging

Pulizia & Ricarica

Due to its water-soluble nature, threadgoldite should not be placed in water. To cleanse, use moonlight or soft earth burial in a safe, undisturbed place. Avoid salt or direct sunlight.

Guided meditation

Sit comfortably and hold threadgoldite in your hands. Breathe deeply, focusing on the stone's energy. Visualize a soft white light connecting you to higher wisdom and allowing insights to flow.

Body placement

Posizionamento sul corpo

Place threadgoldite on the top of the head during therapy lay-down to support crown chakra alignment and spiritual connection.

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

Feng Shui

In feng shui, threadgoldite is best placed in the center or southwest sector of the home. The center supports overall health and balance, while the southwest enhances love and spiritual growth.

Pairings with other crystals

Threadgoldite pairs well with clear quartz to amplify spiritual energy and with selenite to enhance mental clarity and purification. These combinations support deep meditation and intuitive development.

Crystal bath

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

Frequently asked questions

Threadgoldite is considered a rare mineral, typically found in limited locations and not commonly available in the commercial market.