Kaemmererite specimens for sale
1 for sale · $3,000 USD
9 in the gallery
Kaemmererite is a mineral that forms as prismatic to tabular crystals with a vitreous to resinous luster. It commonly occurs in green to brownish colors and can present a modest, well-formed habit that makes individual crystals stand out in a collection. Notable localities historically include producing districts where cobalt, copper, or nickel-bearing assemblages contribute to the mineral's coloration and crystal growth, yielding specimens suitable for careful study and display.
- Formula
- (Mg,Fe)5Al(Si3Al)O10(OH)8
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- High Interest
- Classification notes
- Phyllosilicate; chlorite group
Key characteristics
- Crystal system
- monoclinic
- Mohs hardness
- 2–2.5
- Specific gravity
- 2.6–2.85
- Luster
- vitreous, pearly, dull
- Transparency
- transparent, translucent
- Color
- violet, pink, red, green
- Streak
- white
- Cleavage
- perfect
- Fracture
- uneven
- Crystal habit
- tabular, bladed, granular, massive
- Gem mineral
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About Kaemmererite
Collectors prize kaemmererite for its crisp crystal form and the subtle variation in tone that bands a single specimen. Fine specimens are often associated with intimate mineral assemblages and can display well-developed faces and attractive transparency. The mineral's interest lies in both its aesthetic clarity and its relevance to classic secondary mineral environments, where secondary copper- and nickel-rich phases can influence color and luster. As a relatively distinctive mineral for older suites, kaemmererite serves as an appealing target for those building a focused cabinet of secondary minerals and collector-quality crystals.