Stardew Valley Thunder Egg Guide: Usage, Price, Location & In-Game Description

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Description	According to legend, angry thunder spirits would throw these stones at one another.
Used In or For
Category	Geode Minerals

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Sell Price	100
Price Group	Medium

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Location	Omni Geode Geode
Location Details	Geode, Omni Geode

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Sell Price: 100
Description: A popular ornamental stone, used in sculpture and to make green paint.
Location:
Omni Geode Geode

Malachite

Sell Price: 500
Description: No one knows how these form. Some scientists claim that the microscopic structure displays unnatural regularity.
Location:
Omni Geode Magma Geode

Star Shards

Sell Price: 80
Description: Despite its high toxicity, this Mineral is widely used in manufacturing and folk medicine.
Location:
Omni Geode Geode

Orpiment

Sell Price: 80
Description: The delicate shards form a tiny pink meadow.
Location:
Omni Geode Geode

Nekoite

Sell Price: 75
Description: A speckled Mineral that is commonly used in construction.
Location:
Omni Geode Geode

Granite

Sell Price: 100
Description: The crystals glow bright green when stimulated.
Location:
Omni Geode Frozen Geode

Esperite

Sell Price: 50
Description: The best specimens resemble a desert rose.
Location:
Omni Geode Magma Geode

Baryte

Sell Price: 350
Description: A rare variety of opal, named for its red spots.
Location:
Omni Geode Magma Geode

Fire Opal

Sell Price: 25
Description: A fine-grained rock made from ancient clay or mud.
Location:
Omni Geode Geode

Mudstone

Sell Price: 120
Description: Because of its relatively soft consistency, this stone is very popular for carving.
Location:
Omni Geode Frozen Geode

Soapstone

Sell Price: 150
Description: When polished, this stone becomes attactively luminous. Prized by ancient peoples for thousands of years.
Location:
Omni Geode Magma Geode

Jasper

Sell Price: 200
Description: Some claim the powdered crystal is a dwarvish delicacy.
Location:
Omni Geode Magma Geode

Lemon Stone

Sell Price: 120
Description: Commonly known as "Fool's Gold".
Location:
Omni Geode Frozen Geode

Pyrite

Sell Price: 85
Description: It's extremely resistant to water, making it a good roofing material.
Location:
Omni Geode Geode

Slate

Sell Price: 400
Description: A jet-black crystal that is unusually reflective.
Location:
Omni Geode Magma Geode Black Slime

Neptunite

Sell Price: 115
Description: A high volume of tiny crystals makes it very glittery.
Location:
Omni Geode Geode

Jagoite

Sell Price: 110
Description: A very popular material for sculptures and construction.
Location:
Omni Geode Frozen Geode

Marble

Sell Price: 150
Description: Its distinctive fluorescence makes it a favorite among rock collectors.
Location:
Omni Geode Geode

Alamite

Sell Price: 60
Description: A common type of stone with red and brown striations.
Location:
Omni Geode Geode

Sandstone

Sell Price: 120
Description: This little guy may be 100,000 years old.
Location:
Slime Ball Omni Geode Geode

Petrified Slime

Sell Price: 275
Description: A stripe of shimmering gold gives this gem a warm luster.
Location:
Omni Geode Magma Geode

Tigerseye

Sell Price: 75
Description: This yellow crystal is speckled with shimmering nodules.
Location:
Omni Geode Geode

Calcite

Sell Price: 200
Description: Small amounts are found in human teeth.
Location:
Omni Geode Frozen Geode

Fluorapatite

Sell Price: 450
Description: It grows in a triangular column.
Location:
Omni Geode Magma Geode

Helvite

Sell Price: 150
Description: Its internal structure causes it to reflect a rainbow of light.
Location:
Omni Geode Frozen Geode

Opal

Sell Price: 300
Description: A dark metallic Mineral sought after for its cubic structure.
Location:
Omni Geode Magma Geode Black Slime

Bixite

Sell Price: 175
Description: Forms near searing hot magma.
Location:
Omni Geode Magma Geode

Basalt

Sell Price: 200
Description: The cratered white orbs form a tight cluster.
Location:
Omni Geode Frozen Geode

Lunarite

Sell Price: 250
Description: An old miner's song suggests these are made from the bones of ancient fairies.
Location:
Omni Geode Frozen Geode

Fairy Stone

Sell Price: 125
Description: Some early life forms had bones made from this.
Location:
Omni Geode Geode

Celestine

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Thunder Egg Guide

More Minerals