Stone library / 79 published guides

Find the stone before the story.

Move from a broad mineral family to a subcategory and then to one evidence-aware guide for the material in front of you. Scientific facts, cultural symbolism, and seller claims stay clearly apart.

10 families79 published guidesOne canonical page per material

How to browse. Start with a family when you know the material group. Use a subcategory to compare related varieties, then open the individual guide for identity, treatment, durability, and care.

01 / family map

Choose a gemstone family.

01 / category

Quartz & Silica

Quartz varieties, included quartz, chalcedony, agate, and chatoyant silica materials.

27 published guides02 / category

Feldspar

Moonstone, sunstone, amazonite, labradorite, and related feldspar varieties.

5 published guides03 / category

Tourmaline

Tourmaline as a family, including black, red, watermelon, and copper-bearing varieties.

5 published guides04 / category

Garnet

Garnet family guides, from common red material to demantoid and tsavorite.

4 published guides05 / category

Beryl

Beryl varieties such as aquamarine and morganite.

2 published guides06 / category

Jade & Ornamental Stones

Jadeite, nephrite, serpentine jade, turquoise, lapis lazuli, and decorative stones.

8 published guides07 / category

Other Silicate Gemstones

Topaz, peridot, kyanite, spodumene, zoisite, sugilite, and related silicates.

12 published guides08 / category

Carbonate, Sulfide & Phosphate

Materials whose identity and care depend on carbonate, sulfide, or phosphate mineral groups.

2 published guides09 / category

Glass, Organic & Extraterrestrial

Volcanic glass, fossil resin, impact glass, and meteorite materials.

6 published guides10 / category

Trade Names & Uncertain Identity

Commercial labels that need a sample-specific mineral or material identification.

8 published guides

02 / reading path

From family to material.

Each level narrows the question without creating duplicate URLs or mixing mineral facts with commercial labels.

79 guidesFamilies, varieties
and evidence

01 / classify

What family is it?

Browse categories

02 / narrow

Which variety?

Browse subcategories

03 / verify

What is documented?

Read our method

04 / wear

How should it be cared for?

Open care guides

03 / individual pages

Browse published stone guides.

Quartz & Silica

Browse this category

01 / Clear Quartz

Clear Quartz

Read the Clear Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Amethyst

Amethyst

Read the Amethyst guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Citrine

Citrine

Read the Citrine guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Rose Quartz

Rose Quartz

Read the Rose Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Smoky Quartz

Smoky Quartz

Read the Smoky Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

06 / Rutilated Quartz

Rutilated Quartz

Read the Rutilated Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

07 / Gold Included Quartz

Gold Included Quartz

Read the Gold Included Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

08 / Red Included Quartz

Red Included Quartz

Read the Red Included Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

09 / Black Included Quartz

Black Included Quartz

Read the Black Included Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

10 / Green Included Quartz

Green Included Quartz

Read the Green Included Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

11 / Copper-Colored Included Quartz

Copper-Colored Included Quartz

Read the Copper-Colored Included Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

12 / Green Phantom Quartz

Green Phantom Quartz

Read the Green Phantom Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

13 / Red Phantom Quartz

Red Phantom Quartz

Read the Red Phantom Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

14 / White Phantom Quartz

White Phantom Quartz

Read the White Phantom Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

15 / Nanhong Agate

Nanhong Agate

Read the Nanhong Agate guide for mineral identity, treatment questions, jewelry use, value context, and care.

16 / Blue Chalcedony

Blue Chalcedony

Read the Blue Chalcedony guide for mineral identity, treatment questions, jewelry use, value context, and care.

17 / Yellow Chalcedony

Yellow Chalcedony

Read the Yellow Chalcedony guide for mineral identity, treatment questions, jewelry use, value context, and care.

18 / Cherry Blossom Agate

Cherry Blossom Agate

Read the Cherry Blossom Agate guide for mineral identity, treatment questions, jewelry use, value context, and care.

19 / Green Aventurine Quartz

Green Aventurine Quartz

Read the Green Aventurine Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

20 / Tiger's Eye

Tiger's Eye

Read the Tiger's Eye guide for mineral identity, treatment questions, jewelry use, value context, and care.

21 / Pietersite

Pietersite

Read the Pietersite guide for mineral identity, treatment questions, jewelry use, value context, and care.

22 / Strawberry Quartz

Strawberry Quartz

Read the Strawberry Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

23 / Quartz

Quartz

Read the Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

24 / Agate

Agate

Read the Agate guide for mineral identity, treatment questions, jewelry use, value context, and care.

25 / Red Rabbit Hair Quartz

Red Rabbit Hair Quartz

Read the Red Rabbit Hair Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

26 / Hawk's Eye

Hawk's Eye

Read the Hawk's Eye guide for mineral identity, treatment questions, jewelry use, value context, and care.

27 / Chalcedony

Chalcedony

Read the Chalcedony guide for mineral identity, treatment questions, jewelry use, value context, and care.

Feldspar

Browse this category

01 / Moonstone

Moonstone

Read the Moonstone guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Sunstone

Sunstone

Read the Sunstone guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Amazonite

Amazonite

Read the Amazonite guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Labradorite

Labradorite

Read the Labradorite guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Orange Moonstone

Orange Moonstone

Read the Orange Moonstone guide for mineral identity, treatment questions, jewelry use, value context, and care.

Tourmaline

Browse this category

01 / Black Tourmaline

Black Tourmaline

Read the Black Tourmaline guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Watermelon Tourmaline

Watermelon Tourmaline

Read the Watermelon Tourmaline guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Rubellite Tourmaline

Rubellite Tourmaline

Read the Rubellite Tourmaline guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Paraiba Tourmaline

Paraiba Tourmaline

Read the Paraiba Tourmaline guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Tourmaline

Tourmaline

Read the Tourmaline guide for mineral identity, treatment questions, jewelry use, value context, and care.

Garnet

Browse this category

01 / Garnet

Garnet

Read the Garnet guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Demantoid Garnet

Demantoid Garnet

Read the Demantoid Garnet guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Tsavorite Garnet

Tsavorite Garnet

Read the Tsavorite Garnet guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Spessartine Garnet

Spessartine Garnet

Read the Spessartine Garnet guide for mineral identity, treatment questions, jewelry use, value context, and care.

Beryl

Browse this category

01 / Aquamarine

Aquamarine

Read the Aquamarine guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Morganite

Morganite

Read the Morganite guide for mineral identity, treatment questions, jewelry use, value context, and care.

Jade & Ornamental Stones

Browse this category

01 / Malachite

Malachite

Read the Malachite guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Nephrite Jade

Nephrite Jade

Read the Nephrite Jade guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Jadeite Jade

Jadeite Jade

Read the Jadeite Jade guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Lapis Lazuli

Lapis Lazuli

Read the Lapis Lazuli guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Larimar

Larimar

Read the Larimar guide for mineral identity, treatment questions, jewelry use, value context, and care.

06 / Turquoise

Turquoise

Read the Turquoise guide for mineral identity, treatment questions, jewelry use, value context, and care.

07 / Black Jade

Black Jade

Read the Black Jade guide for mineral identity, treatment questions, jewelry use, value context, and care.

08 / Xiuyan Jade

Xiuyan Jade

Read the Xiuyan Jade guide for mineral identity, treatment questions, jewelry use, value context, and care.

Other Silicate Gemstones

Browse this category

01 / Spodumene

Spodumene

Read the Spodumene guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Topaz

Topaz

Read the Topaz guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Peridot

Peridot

Read the Peridot guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Tanzanite

Tanzanite

Read the Tanzanite guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Apatite

Apatite

Read the Apatite guide for mineral identity, treatment questions, jewelry use, value context, and care.

06 / Sugilite

Sugilite

Read the Sugilite guide for mineral identity, treatment questions, jewelry use, value context, and care.

07 / Prehnite

Prehnite

Read the Prehnite guide for mineral identity, treatment questions, jewelry use, value context, and care.

08 / Kyanite

Kyanite

Read the Kyanite guide for mineral identity, treatment questions, jewelry use, value context, and care.

09 / Charoite

Charoite

Read the Charoite guide for mineral identity, treatment questions, jewelry use, value context, and care.

10 / Spinel

Spinel

Read the Spinel guide for mineral identity, treatment questions, jewelry use, value context, and care.

11 / Cat's-eye Chrysoberyl

Cat's-eye Chrysoberyl

Read the Cat's-eye Chrysoberyl guide for mineral identity, treatment questions, jewelry use, value context, and care.

12 / Fluorite

Fluorite

Read the Fluorite guide for mineral identity, treatment questions, jewelry use, value context, and care.

Carbonate, Sulfide & Phosphate

Browse this category

01 / Cinnabar

Cinnabar

Read the Cinnabar guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Rhodochrosite

Rhodochrosite

Read the Rhodochrosite guide for mineral identity, treatment questions, jewelry use, value context, and care.

Glass, Organic & Extraterrestrial

Browse this category

01 / Moldavite

Moldavite

Read the Moldavite guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Obsidian

Obsidian

Read the Obsidian guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Amber

Amber

Read the Amber guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Blue Goldstone

Blue Goldstone

Read the Blue Goldstone guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Opal

Opal

Read the Opal guide for mineral identity, treatment questions, jewelry use, value context, and care.

06 / Gibeon Iron Meteorite

Gibeon Iron Meteorite

Read the Gibeon Iron Meteorite guide for mineral identity, treatment questions, jewelry use, value context, and care.

Trade Names & Uncertain Identity

Browse this category

01 / Blue Needle Quartz

Blue Needle Quartz

Read the Blue Needle Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

02 / Phoenix Stone

Phoenix Stone

Read the Phoenix Stone guide for mineral identity, treatment questions, jewelry use, value context, and care.

03 / Blue Lace Stone

Blue Lace Stone

Read the Blue Lace Stone guide for mineral identity, treatment questions, jewelry use, value context, and care.

04 / Ruby-Zoisite Trade Material

Ruby-Zoisite Trade Material

Read the Ruby-Zoisite Trade Material guide for mineral identity, treatment questions, jewelry use, value context, and care.

05 / Star Rose Quartz Trade Material

Star Rose Quartz Trade Material

Read the Star Rose Quartz Trade Material guide for mineral identity, treatment questions, jewelry use, value context, and care.

06 / Purple Mica Trade Material

Purple Mica Trade Material

Read the Purple Mica Trade Material guide for mineral identity, treatment questions, jewelry use, value context, and care.

07 / Rose Stone Trade Name

Rose Stone Trade Name

Read the Rose Stone Trade Name guide for mineral identity, treatment questions, jewelry use, value context, and care.

08 / Super Seven Quartz

Super Seven Quartz

Read the Super Seven Quartz guide for mineral identity, treatment questions, jewelry use, value context, and care.

Editorial boundary. Draft material stays in the internal taxonomy until it has been human-reviewed and translated. No unreviewed draft is emitted as a public thin page.