Olshanskyite specimens for sale
6 for sale · $600–$2,500 USD
4 in the gallery
Olshanskyite is a phosphate mineral that forms monoclinic crystals with a modest to attractive lustre. Its composition centers on manganese and phosphate, and it often appears as small, well-formed crystals or sheaf-like aggregates that can display a pale to colorless to pinkish coloration. Habit varies from prismatic crystals to microcrystalline masses, and it can occur in association with other Mn-rich phosphate minerals. The mineral can provide clear, glassy facets that catch light, making individual crystals stand out in hand specimens.
- Formula
Mn₂(PO₄)(OH) · H₂O - Rarity
- Rare
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Borate; calcium hydroxyl borate
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 4.5
- Specific gravity
- 2.16–2.22
- Luster
- vitreous, silky
- Transparency
- transparent, translucent
- Color
- colorless, white
- Streak
- white
- Cleavage
- perfect
- Fracture
- uneven
- Crystal habit
- prismatic, acicular, fibrous, radiating, massive
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Where Olshanskyite is found
Top localities
- Shijiangshan Mine3 specimens
- Fuka mine2 specimens
About Olshanskyite
Notable specimens have come from China, where collection sites have yielded crystallized samples that appeal to mineral photographers and prospectors alike. In practice, Olshanskyite contributes useful context for understanding Mn- phosphate mineralogy in hydrothermal environments and helps illustrate the diversity of phosphate species that form under similar conditions. Collectors value its simplicity and clarity of form, as well as its comparative rarity within the broader Mn-oxide and phosphate families, which makes well-prepared pieces desirable for display and study.