Sborgite
A variety of Minerals
What is Sborgite?
Sborgite is a sodium borate mineral with formula Na[B5O6(OH)4]·3H2O. The formula can be written as the oxide formulation, Na2O.5B2O3.10H2O. Sometimes called sodium pentaborate pentahydrate it contains the pentaborate anion, (B5O6(OH)4). Sborgite is colorless with monoclinic crystals. It was named for Umberto Sborgi, (1883–1955), Professor of Chemistry, University of Milan, Italy. Sborgite occurs in Tuscany, Italy and the Furnace Creek district, Death Valley, California, US.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Sborgite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Sborgite Localities Map
See where Sborgite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless
Chemical Properties
- Chemical Formula
- Na[B5O6(OH)4] · 3H2O
- Elements
- B, H, Na, O
Identify Sborgite Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you
Sborgite FAQs
How do I identify Sborgite?
Sborgite can be identified by its Colourless color. Look for these key characteristics when examining specimens.
What color is Sborgite?
Sborgite typically appears in Colourless. Color can vary depending on impurities and formation conditions.
%252FAbenakiite-(ce)-01.jpg&size=small)
