Woodhouseite
A variety of Minerals
What is Woodhouseite?
Woodhouseite belongs to the beudantite group AB3(XO4)(SO4)(OH)6 where A = Ba, Ca, Pb or Sr, B = Al or Fe and X = S, As or P. Minerals in this group are isostructural with each other and also with minerals in the crandallite and alunite groups. They crystallise in the rhombohedral system with space group R3m and crystals are usually either tabular {0001} or pseudo-cubic to pseudo-cuboctahedral. Woodhouseite was named after Professor Charles Douglas Woodhouse (1888–1975), an American mineralogist and mineral collector from the University of California, Santa Barbara, US, and one-time General Manager of Champion Sillimanite, Inc.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Woodhouseite 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.
Woodhouseite Localities Map
See where Woodhouseite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Key Characteristics
Composition of Woodhouseite
Space Group: R3 2/m Unit Cell Parameters: a = 6.993 Å, c = 16.386 Å, Z: 3
Quick Facts
Physical Properties
- Color
- White, flesh-pink, colourless
- Hardness (Mohs)
- 4.5
- Density
- 3 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CaAl3(PO4)(SO4)(OH)6
- Elements
- Al, Ca, H, O, P, S
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Woodhouseite FAQs
How do I identify Woodhouseite?
Woodhouseite can be identified by its hardness of 4.5 on the Mohs scale, White color. Look for these key characteristics when examining specimens.
What color is Woodhouseite?
Woodhouseite typically appears in White, flesh-pink, colourless. Color can vary depending on impurities and formation conditions.
How hard is Woodhouseite?
Woodhouseite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.
What is the composition of woodhouseite of Woodhouseite?
Space Group: R3 2/m Unit Cell Parameters: a = 6.993 Å, c = 16.386 Å, Z: 3
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