Hydrochlorborite
A variety of Minerals
What is Hydrochlorborite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Hydrochlorborite 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.
Hydrochlorborite Localities Map
See where Hydrochlorborite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Hardness (Mohs)
- 2.5
Chemical Properties
- Chemical Formula
- Ca4B8O15Cl2 · 21H2O
- Elements
- B, Ca, Cl, H, O

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Hydrochlorborite FAQs
How do I identify Hydrochlorborite?
Hydrochlorborite can be identified by its hardness of 2.5 on the Mohs scale. Look for these key characteristics when examining specimens.
How hard is Hydrochlorborite?
Hydrochlorborite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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