Blue barite is highly sought after by collectors for its striking sky-blue color and distinctive tabular crystal habit. It is frequently found as distinct, glassy, flattened crystals associated with fluorite and calcite in sedimentary deposits.
Is this blue barite?
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 blue barite with a known reference. Blue Barite sits at Mohs 3-3.5 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Blue Barite leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Blue Barite typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: blue, colorless, white, yellow.
- 5Look at form & habitCrystal system: orthorhombic. Typical habit: tabular crystals, prismatic, bladed.
Often confused with
Blue Barite vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside blue barite
Minerals reported to co-occur with blue barite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- BaSO₄
- Mohs hardness
- 3-3.5
- Density
- 4.5 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Transparent
- Crystal system
- Orthorhombic
- Crystal habit
- Tabular Crystals, Prismatic, Bladed
- Cleavage
- Perfect Basal and Prismatic
- Fluorescence
- Often Fluorescent Under UV
- Rarity
- Common
- Uses
- Collector, Ornamental
- Host rock
- Sedimentary Limestone, Hydrothermal Veins
- Typical price
- $10-50 for small specimens, $100+ for large aesthetic clusters
Where rockhounds find blue barite
1 mapped spotsClassic worldwide localities
- Cave-in-Rock, Illinois
- Book Cliffs, Colorado
- Mibladen, Morocco
- Romania
Field-hunting tip
Look in sedimentary limestone, hydrothermal veins country — that is the host setting where blue barite typically forms. If you start seeing fluorite, calcite, quartz in float, you are in the right ground. Field specimens usually show a tabular crystals, prismatic, bladed habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in Missouri — start trip planning there.
Common questions
How do you identify blue barite?+
Where is blue barite found?+
Can I find blue barite in the United States?+
How much is blue barite worth?+
What rocks look like blue barite?+
What minerals are found with blue barite?+
What kind of rock does blue barite form in?+
What is blue barite used for?+
Find blue barite on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
