Saddlebackite is a rare lead-bismuth telluride mineral typically found as small grains within hydrothermal gold-bearing deposits. It is best identified through polished section microscopy or X-ray diffraction due to its similar physical appearance to other bismuth tellurides.

Hardness

2.5

Mohs

Luster

Metallic

Streak

Black

Transparency

Opaque

mineralrare

Saddlebackite

Hardness: 2.5
Luster: Metallic
Streak: Black
Transparency: Opaque

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Is this saddlebackite?

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 saddlebackite with a known reference. Saddlebackite sits at Mohs 2.5 — softer than the next harder reference, harder than the previous one.
2
Check the streak
Drag the specimen across an unglazed porcelain plate. Saddlebackite leaves a black streak.
3
Read the luster
Hold the specimen under a strong light. Saddlebackite typically shows a metallic luster.
4
Match the color range
Compare against the expected color range: lead-gray.
5
Look at form & habit
Crystal system: trigonal. Typical habit: anhedral grains, inclusions.

Often confused with

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

mineral

Tetradymite

Mohs 1.5-2

How to tell apart: Streak differs — Saddlebackite leaves black, Tetradymite leaves lead-gray.

How to tell apart: Streak differs — Saddlebackite leaves black, Galena leaves lead-gray.

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Often found alongside saddlebackite

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

All properties

Chemical formula: Pb₂Bi₂Te₂S₃
Mohs hardness: 2.5
Density: 8.5 g/cm³
Colors: Lead-gray
Streak: Black
Luster: Metallic
Transparency: Opaque
Crystal system: Trigonal
Crystal habit: Anhedral Grains, Inclusions
Cleavage: Perfect
Rarity: Rare
Uses: Collector
Host rock: Hydrothermal Quartz Veins
Typical price: $50-300 per specimen

Where rockhounds find saddlebackite

Classic worldwide localities

Saddleback, New South Wales, Australia

Field-hunting tip

Look in hydrothermal quartz veins country — that is the host setting where saddlebackite typically forms. If you start seeing gold, tellurobismuthite, pyrite in float, you are in the right ground. Field specimens usually show a anhedral grains, inclusions habit, so train your eye for that shape before scanning the outcrop.

Common questions

How do you identify saddlebackite?+

Mohs hardness is 2.5. It typically shows a metallic luster. The streak is black. Common colors include lead-gray.

Where is saddlebackite found?+

Notable localities include Saddleback, New South Wales, Australia.

How much is saddlebackite worth?+

Typical asking prices fall in the range of $50-300 per specimen. Quality, size, and provenance can move individual specimens well outside that range.

Is saddlebackite safe to handle?+

It contains toxic constituents. Contains lead and bismuth; wash hands thoroughly after handling and avoid inhaling dust if crushed. Handle with care, avoid grinding or breathing dust, and store separately.

What rocks look like saddlebackite?+

Saddlebackite is most often confused with Tetradymite, Galena. A quick hardness test and a streak check separate the look-alikes faster than color alone.

What minerals are found with saddlebackite?+

Saddlebackite commonly co-occurs with Gold, Tellurobismuthite, Pyrite, Chalcopyrite. Spotting any of these in float or country rock is a useful trip signal.

What kind of rock does saddlebackite form in?+

Saddlebackite typically forms in hydrothermal quartz veins. Working float back to the host body is the standard way to chase a fresh occurrence.

What is saddlebackite used for?+

Saddlebackite is used in collector.

Find saddlebackite on the map

RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.