Chabazite-Sr is a rare member of the zeolite group, chemically distinguished by its high strontium content. It is typically found as small, rhombohedral crystals within cavities in volcanic rocks, often mimicking a cubic habit. Collectors value it for its limited occurrence and well-defined crystal forms compared to more common zeolite species.
Is this chabazite-sr?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch chabazite-sr with a known reference. Chabazite-Sr sits at Mohs 4-5 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Chabazite-Sr leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Chabazite-Sr typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: white, colorless, pink, yellow.
- 5Look at form & habitCrystal system: trigonal. Typical habit: rhombohedral crystals often appearing pseudocubic.
Often confused with
Chabazite-Sr vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside chabazite-sr
Minerals reported to co-occur with chabazite-sr. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Sr₂Al₄Si₈O₂₄·10H₂O
- Mohs hardness
- 4-5
- Density
- 2.05-2.15 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Transparent
- Crystal system
- Trigonal
- Crystal habit
- Rhombohedral Crystals Often Appearing Pseudocubic
- Cleavage
- Distinct On {10-11}
- Rarity
- Rare
- Uses
- Collector
- Host rock
- Amygdaloidal Basalt Cavities
- Typical price
- $20-150 per specimen depending on crystal size and matrix quality
Where rockhounds find chabazite-sr
Classic worldwide localities
- Sutherland, Scotland
- Niagara Falls, Ontario, Canada
- Wolfsberg, Germany
- Victoria, Australia
Field-hunting tip
Look in amygdaloidal basalt cavities country — that is the host setting where chabazite-sr typically forms. If you start seeing calcite, thomsonite, stilbite in float, you are in the right ground. Field specimens usually show a rhombohedral crystals often appearing pseudocubic habit, so train your eye for that shape before scanning the outcrop.
Common questions
How do you identify chabazite-sr?+
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Find chabazite-sr on the map
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