Creedite
A variety of Minerals
What is Creedite?
Creedite is a rare and striking mineral that comes in hues ranging from clear to purple to brownish-orange. The mineral is so-named because it was first discovered and described near the small town of Creede, Colorado. Though not particularly well-known, creedite can be prized by collectors, as it often forms handsome and colorful crystal clusters.
Uses & Applications
Creedite itself has very few industrial uses, though it is often considered to be a collector's mineral due to the striking crystalline forms it can ber found in. However, it is typically associated with ore deposits, making it an apt indicator that other ore minerals may be located nearby.
Healing Properties
Creedite is believed to provide mental and spiritual clarity, while expanding a person's sensitivity to higher energies. It is said that when worn, it will activate the third eye and crown chakras, allowing one to draw on a higher frequency in order to reach their daily goals.
Optical Properties
- Refractive Index
- 1.461-1.485
- Birefringence
- 0.021-0.024
- Optical Character
- Biaxial negative
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Creedite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Creedite Localities Map
See where Creedite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Associated Chakras
Key Characteristics
Formation of Creedite
Creedite is a rare hydroxylhalide mineral. Creedite usually forms from the oxidation of fluorite ore deposits. Creedite was named after the location where it was discovered in 1916 in the Colorado Fluorspar Co. Mine at Wagon Wheel Gap, located at Creede Quadrangle, Mineral County, Colorado. It was later found in other fluorite veins near Tonopah, Nye County, Nevada; in the Grand Reef mine, Graham County, Arizona; in the Darwin district, Inyo County, California. It also occurs in the Potosi and other mines of Santa Eulalia, Chihuahua, Mexico. It is also found in La Paz, Bolivia; Pamir Mountains, Tajikistan and Dzhezkazgan, Kazakhstan.
Composition of Creedite
Creedite structural composition study was conducted by utilizing 1390 Philips diffractometer with Fe – filtered CoK radiation (λ=1.79021Å), 10–90° 2θ range, peak-height relative intensities. It was concluded that the creedite falls into monoclinic crystal system (2/m) that has space group of C2/c. It was also found that creedite has basal reflections of (2 0 0) and (4 0 0) that are enhanced due to preferred orientation which concur with Michael Fleischer's orientation.
Quick Facts
Physical Properties
- Color
- White, violet, colourless, colourless in transmitted light
- Hardness (Mohs)
- 4
- Density
- 2.715 g/cm³
- Streak
- white
- Luster
- Vitreous
- Crystal System
- Monoclinic
Chemical Properties
- Chemical Formula
- Ca3SO4Al2F8(OH)2 · 2H2O
- Elements
- Al, Ca, F, H, O, S
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Creedite FAQs
How do I identify Creedite?
Creedite can be identified by its hardness of 4 on the Mohs scale, White color, Vitreous luster, Monoclinic crystal system. Look for these key characteristics when examining specimens.
What color is Creedite?
Creedite typically appears in White, violet, colourless, colourless in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Creedite?
Creedite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
What is the formation of creedite of Creedite?
Creedite is a rare hydroxylhalide mineral. Creedite usually forms from the oxidation of fluorite ore deposits. Creedite was named after the location where it was discovered in 1916 in the Colorado Fluorspar Co. Mine at Wagon Wheel Gap, located at Creede Quadrangle, Mineral County, Colorado. It was later found in other fluorite veins near Tonopah, Nye County, Nevada; in the Grand Reef mine, Graham County, Arizona; in the Darwin district, Inyo County, California. It also occurs in the Potosi and other mines of Santa Eulalia, Chihuahua, Mexico. It is also found in La Paz, Bolivia; Pamir Mountains, Tajikistan and Dzhezkazgan, Kazakhstan.
What is the composition of creedite of Creedite?
Creedite structural composition study was conducted by utilizing 1390 Philips diffractometer with Fe – filtered CoK radiation (λ=1.79021Å), 10–90° 2θ range, peak-height relative intensities. It was concluded that the creedite falls into monoclinic crystal system (2/m) that has space group of C2/c. It was also found that creedite has basal reflections of (2 0 0) and (4 0 0) that are enhanced due to preferred orientation which concur with Michael Fleischer's orientation.
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