Manganvesuvianite is a rare manganese-dominant member of the vesuvianite group known for its distinctive pinkish-red to reddish-brown coloration. It is primarily found in the Kalahari Manganese Fields of South Africa, often occurring as well-formed tetragonal prisms embedded in calcite or other manganese minerals.

Hardness
6.5
Mohs
Luster
Vitreous
Streak
White
Transparency
Translucent

Is this manganvesuvianite?

5-step field check

Run through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.

  • 1
    Test the hardness
    Try to scratch manganvesuvianite with a known reference. Manganvesuvianite sits at Mohs 6.5 — softer than the next harder reference, harder than the previous one.
  • 2
    Check the streak
    Drag the specimen across an unglazed porcelain plate. Manganvesuvianite leaves a white streak.
  • 3
    Read the luster
    Hold the specimen under a strong light. Manganvesuvianite typically shows a vitreous luster.
  • 4
    Match the color range
    Compare against the expected color range: red, pink, brown.
  • 5
    Look at form & habit
    Crystal system: tetragonal. Typical habit: prismatic crystals.

Often confused with

Manganvesuvianite vs. its common look-alikes — and how to tell them apart in the field.

Often found alongside manganvesuvianite

Minerals reported to co-occur with manganvesuvianite. Spotting these in float or country rock is a strong cue you are in the right ground.

All properties

Chemical formula
Ca₁₉Mn³⁺(Al,Mn³⁺,Fe³⁺)₁₀(Mg,Fe)₂Si₁₈O₆₈(OH,F)₁₀
Mohs hardness
6.5
Density
3.3-3.5 g/cm³
Streak
White
Luster
Vitreous
Transparency
Translucent
Crystal system
Tetragonal
Crystal habit
Prismatic Crystals
Cleavage
Poor
Rarity
Rare
Uses
Collector
Host rock
Hydrothermal Veins in Manganese Deposits
Typical price
$50-500 thumbnail, $200+ cabinet specimen

Where rockhounds find manganvesuvianite

Classic worldwide localities

  • Wessels Mine, South Africa
  • N'Chwaning Mines, South Africa
  • Andros Island, Greece

Field-hunting tip

Look in hydrothermal veins in manganese deposits country — that is the host setting where manganvesuvianite typically forms. If you start seeing calcite, hausmannite, bultfonteinite in float, you are in the right ground. Field specimens usually show a prismatic crystals habit, so train your eye for that shape before scanning the outcrop.

Common questions

How do you identify manganvesuvianite?+
Mohs hardness is 6.5. It typically shows a vitreous luster. The streak is white. Common colors include red, pink, brown.
Where is manganvesuvianite found?+
Notable localities include Wessels Mine, South Africa; N'Chwaning Mines, South Africa; Andros Island, Greece.
How much is manganvesuvianite worth?+
Typical asking prices fall in the range of $50-500 thumbnail, $200+ cabinet specimen. Quality, size, and provenance can move individual specimens well outside that range.
What rocks look like manganvesuvianite?+
Manganvesuvianite is most often confused with Vesuvianite, Ekanite, Grossularite Garnet. A quick hardness test and a streak check separate the look-alikes faster than color alone.
What minerals are found with manganvesuvianite?+
Manganvesuvianite commonly co-occurs with Calcite, Hausmannite, Bultfonteinite. Spotting any of these in float or country rock is a useful trip signal.
What kind of rock does manganvesuvianite form in?+
Manganvesuvianite typically forms in hydrothermal veins in manganese deposits. Working float back to the host body is the standard way to chase a fresh occurrence.
What is manganvesuvianite used for?+
Manganvesuvianite is used in collector.

Find manganvesuvianite on the map

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