$450Median
15Sold (12 mo)
$1,500Last sale
Goosecreekite specimens for sale
4 for sale · $350–$800 USD
31 in the gallery
Goosecreekite is a hydrated calcium-aluminum silicate with a characteristic framework of aluminum and silicon tetrahedra, forming fine, often delicate crystals that reflect light with a subtle luster. The mineral typically occurs as small, transparent to pale-colored crystals that may form in layered or prismatic habits, and it is associated with its hydration state, which can influence color and transparency. Crystallographic habit and hydration give goosecreekite a distinctive appearance among hydrous silicates, making it a sought-after specimen for habit and mineralogy enthusiasts.
- Formula
- Ca[Al2Si6O16] · 5H2O
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- High Interest
- Classification notes
- Tectosilicate (framework silicate); Zeolite group
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 4–5
- Specific gravity
- 2.16–2.2
- Luster
- vitreous
- Transparency
- transparent, translucent
- Color
- colorless, white
- Streak
- white
- Cleavage
- perfect
- Fracture
- uneven
- Crystal habit
- prismatic, acicular, radiating
Buy Goosecreekite specimens
View all 4Where Goosecreekite is found
Top localities
- Nashik13 specimens
- Jalgaon District4 specimens
- Jalgaon4 specimens
- Alibag2 specimens
- India1 specimen
- Maharashtra1 specimen
- Malad1 specimen
- Raigad1 specimen
About Goosecreekite
Notable localities include India and Afghanistan, where high-quality specimens have been reported. Specimens from these regions are valued for their clarity, gentle coloration, and the context of their mineral associations within hydrothermal or pegmatitic environments. For collectors, goosecreekite offers the appeal of a rarer hydrous mineral with a precise chemical formula, offering a window into the interplay of calcium, aluminum, silicon, oxygen, and water within a crystalline framework. Proper storage to minimize dehydration helps preserve color and transparency for display and study.
